Monthly Statistics in Chattanooga, TN for May 2026

 May 2026  HighLowAverage
Temperature 89.6 °F (17-17:17) 41.9 °F (3-7:45) 68.1 °F
Dew Point 75.7 °F (28-14:04) 33.9 °F (2-12:43) 59 °F
Humidity 99 % (10-9:09) 28 % (14-17:48) 75 %
Wind Speed 5.01 mph Southeast (24-17:10) - -
Wind Gust 14.00 mph Southeast (23-23:17) - -
Wind - - South
Pressure 31.14 in (18-10:24) 30.74 in (7-3:14) 30.92 in
Precipitation Total: 6.940 in
Max Rate: 2.720 in/hr (21-7:44)
- -
 
 5/31/2026  HighLowAverage
Temperature 78.6 °F (13:49) 65.3 °F (7:14) 71.1 °F
Dew Point 69.2 °F (15:05) 62.6 °F (7:13) 66.2 °F
Humidity 96 % (22:49) 63 % (12:10) 85 %
Wind Speed 3.00 mph Southeast (17:01) - -
Wind Gust 8.01 mph Southeast (17:23) - -
Wind - - Southeast
Pressure 30.95 in (22:38) 30.83 in (1:11) 30.88 in
Precipitation Total: 0.090 in
Max Rate: 0.140 in/hr (21:12)
- -
 
 5/30/2026  HighLowAverage
Temperature 81.7 °F (13:24) 69.3 °F (7:46) 73.2 °F
Dew Point 72.7 °F (11:51) 68.1 °F (7:46) 69.7 °F
Humidity 98 % (8:03) 70 % (13:27) 88.9 %
Wind Speed 1.99 mph North (12:58) - -
Wind Gust 5.99 mph East (13:51) - -
Wind - - Southeast
Pressure 30.87 in (0:13) 30.78 in (19:38) 30.82 in
Precipitation Total: 0.041 in
Max Rate: 0.070 in/hr (15:24)
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 5/29/2026  HighLowAverage
Temperature 77.5 °F (13:49) 67.5 °F (7:27) 72.4 °F
Dew Point 71.3 °F (1:06) 64.6 °F (6:32) 68.7 °F
Humidity 96 % (22:44) 72 % (14:03) 88.3 %
Wind Speed 1.01 mph West (11:20) - -
Wind Gust 3.00 mph West (12:33) - -
Wind - - South
Pressure 30.92 in (9:24) 30.83 in (18:50) 30.87 in
Precipitation Total: 0.029 in - -
 
 5/28/2026  HighLowAverage
Temperature 86.4 °F (15:43) 68.5 °F (7:12) 76.2 °F
Dew Point 75.7 °F (14:04) 67.7 °F (6:48) 71.3 °F
Humidity 98 % (3:01) 62 % (15:33) 85.7 %
Wind Speed 1.99 mph Southeast (12:18) - -
Wind Gust 8.01 mph East (11:50) - -
Wind - - South
Pressure 30.94 in (9:49) 30.83 in (19:37) 30.88 in
Precipitation Total: 0.000 in - -
 
 5/27/2026  HighLowAverage
Temperature 81.5 °F (14:03) 68.5 °F (5:20) 73.2 °F
Dew Point 75.1 °F (16:25) 67.7 °F (5:20) 70.6 °F
Humidity 98 % (1:15) 73 % (14:33) 91.7 %
Wind Speed 3.00 mph Southeast (1:22) - -
Wind Gust 5.01 mph Southeast (1:19) - -
Wind - - Southwest
Pressure 30.98 in (9:37) 30.88 in (19:57) 30.92 in
Precipitation Total: 0.061 in
Max Rate: 0.420 in/hr (14:57)
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 5/26/2026  HighLowAverage
Temperature 82.8 °F (16:36) 68.9 °F (23:45) 73.2 °F
Dew Point 73.8 °F (19:17) 67.7 °F (23:30) 70 °F
Humidity 98 % (1:40) 70 % (16:41) 90.1 %
Wind Speed 5.01 mph Southeast (20:44) - -
Wind Gust 8.99 mph Southeast (20:47) - -
Wind - - Southeast
Pressure 30.98 in (11:47) 30.86 in (17:57) 30.92 in
Precipitation Total: 0.559 in
Max Rate: 2.260 in/hr (21:04)
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 5/25/2026  HighLowAverage
Temperature 81.1 °F (15:19) 67.5 °F (5:36) 72.1 °F
Dew Point 73.5 °F (17:30) 66.6 °F (1:25) 69.5 °F
Humidity 98 % (0:00) 69 % (15:36) 91.9 %
Wind Speed 3.00 mph Southeast (21:36) - -
Wind Gust 4.00 mph Southeast (21:27) - -
Wind - - Southeast
Pressure 31.03 in (10:21) 30.91 in (19:27) 30.95 in
Precipitation Total: 0.130 in
Max Rate: 0.110 in/hr (20:40)
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 5/24/2026  HighLowAverage
Temperature 77.2 °F (15:27) 67.5 °F (7:36) 69.5 °F
Dew Point 72.5 °F (15:14) 66.5 °F (17:29) 67.9 °F
Humidity 98 % (6:41) 82 % (16:27) 94.5 %
Wind Speed 5.01 mph Southeast (17:10) - -
Wind Gust 11.01 mph East (17:04) - -
Wind - - Southeast
Pressure 31.01 in (10:42) 30.91 in (19:23) 30.96 in
Precipitation Total: 0.740 in
Max Rate: 0.940 in/hr (17:50)
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 5/23/2026  HighLowAverage
Temperature 81.0 °F (16:21) 67.3 °F (9:37) 73 °F
Dew Point 72.2 °F (16:57) 66.1 °F (9:37) 68.9 °F
Humidity 98 % (9:55) 71 % (16:24) 87.5 %
Wind Speed 4.00 mph Southeast (21:49) - -
Wind Gust 14.00 mph Southeast (23:17) - -
Wind - - Southeast
Pressure 31.00 in (10:05) 30.89 in (18:14) 30.93 in
Precipitation Total: 0.781 in
Max Rate: 2.220 in/hr (8:29)
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 5/22/2026  HighLowAverage
Temperature 76.6 °F (13:40) 65.8 °F (3:44) 71.3 °F
Dew Point 72.2 °F (11:58) 64.7 °F (3:26) 68.4 °F
Humidity 99 % (8:36) 79 % (21:03) 90.8 %
Wind Speed 1.99 mph Southwest (3:12) - -
Wind Gust 5.99 mph Southwest (3:14) - -
Wind - - South
Pressure 30.93 in (3:32) 30.83 in (19:21) 30.88 in
Precipitation Total: 0.969 in
Max Rate: 1.920 in/hr (3:19)
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 5/21/2026  HighLowAverage
Temperature 77.9 °F (17:35) 66.9 °F (7:59) 70.9 °F
Dew Point 72.3 °F (17:36) 66.0 °F (7:59) 68.7 °F
Humidity 98 % (5:26) 75 % (16:53) 92.9 %
Wind Speed 1.99 mph Southeast (14:21) - -
Wind Gust 4.00 mph East (7:42) - -
Wind - - South
Pressure 30.99 in (9:19) 30.87 in (19:38) 30.93 in
Precipitation Total: 1.620 in
Max Rate: 2.720 in/hr (7:44)
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 5/20/2026  HighLowAverage
Temperature 86.5 °F (13:26) 66.2 °F (6:32) 72.9 °F
Dew Point 70.8 °F (16:01) 61.7 °F (6:22) 66.1 °F
Humidity 94 % (15:53) 50 % (13:42) 80.3 %
Wind Speed 0.00 mph Southeast (0:00) - -
Wind Gust 3.00 mph Southeast (11:38) - -
Wind - - Southwest
Pressure 31.03 in (0:00) 30.90 in (19:19) 30.98 in
Precipitation Total: 0.141 in
Max Rate: 1.890 in/hr (14:29)
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 5/19/2026  HighLowAverage
Temperature 88.5 °F (16:24) 68.4 °F (5:08) 78 °F
Dew Point 68.4 °F (12:12) 61.4 °F (17:50) 64.2 °F
Humidity 81 % (5:03) 41 % (17:13) 63.9 %
Wind Speed 0.00 mph South (0:00) - -
Wind Gust 3.00 mph Southeast (7:15) - -
Wind - - South
Pressure 31.13 in (10:32) 30.99 in (21:12) 31.06 in
Precipitation Total: 0.000 in - -
 
 5/18/2026  HighLowAverage
Temperature 87.1 °F (16:54) 67.3 °F (7:15) 77.3 °F
Dew Point 68.7 °F (20:34) 61.2 °F (3:34) 65.1 °F
Humidity 86 % (7:27) 51 % (16:59) 66.7 %
Wind Speed 0.00 mph Southeast (0:00) - -
Wind Gust 7.00 mph East (11:24) - -
Wind - - South
Pressure 31.14 in (10:24) 31.01 in (20:10) 31.06 in
Precipitation Total: 0.000 in - -
 
 5/17/2026  HighLowAverage
Temperature 89.6 °F (17:17) 60.1 °F (7:17) 74.8 °F
Dew Point 68.8 °F (12:16) 57.7 °F (7:17) 63.3 °F
Humidity 93 % (6:05) 44 % (17:03) 69.8 %
Wind Speed 0.00 mph Southwest (0:00) - -
Wind Gust 5.99 mph East (13:58) - -
Wind - - South
Pressure 31.05 in (9:03) 30.94 in (20:08) 30.99 in
Precipitation Total: 0.000 in - -
 
 5/16/2026  HighLowAverage
Temperature 79.7 °F (17:11) 58.5 °F (6:16) 69 °F
Dew Point 62.6 °F (16:07) 49.0 °F (4:05) 55.7 °F
Humidity 78 % (23:40) 46 % (12:59) 63.6 %
Wind Speed 0.00 mph West (0:00) - -
Wind Gust 3.00 mph Southeast (14:50) - -
Wind - - Southwest
Pressure 31.07 in (9:05) 30.95 in (21:08) 31.01 in
Precipitation Total: 0.000 in - -
 
 5/15/2026  HighLowAverage
Temperature 78.1 °F (17:18) 45.0 °F (7:13) 61.6 °F
Dew Point 53.6 °F (20:39) 41.5 °F (6:25) 46.7 °F
Humidity 90 % (7:08) 36 % (17:39) 60.6 %
Wind Speed 0.00 mph Northeast (0:00) - -
Wind Gust 3.00 mph Southeast (12:30) - -
Wind - - Southeast
Pressure 31.07 in (10:11) 30.95 in (17:58) 30.99 in
Precipitation Total: 0.000 in - -
 
 5/14/2026  HighLowAverage
Temperature 73.2 °F (16:21) 54.5 °F (7:02) 63.4 °F
Dew Point 51.9 °F (0:03) 36.5 °F (17:48) 42.1 °F
Humidity 73 % (6:26) 28 % (17:48) 47.6 %
Wind Speed 1.01 mph North (8:22) - -
Wind Gust 5.99 mph Northeast (4:24) - -
Wind - - South
Pressure 30.97 in (23:21) 30.82 in (0:44) 30.89 in
Precipitation Total: 0.000 in - -
 
 5/13/2026  HighLowAverage
Temperature 79.3 °F (15:31) 53.4 °F (6:28) 66.7 °F
Dew Point 62.4 °F (17:29) 48.2 °F (23:52) 54.3 °F
Humidity 86 % (6:16) 47 % (15:22) 65.5 %
Wind Speed 0.00 mph Southeast (0:00) - -
Wind Gust 3.00 mph Southwest (13:23) - -
Wind - - South
Pressure 31.02 in (1:00) 30.78 in (20:41) 30.91 in
Precipitation Total: 0.000 in - -
 
 5/12/2026  HighLowAverage
Temperature 75.4 °F (16:23) 54.9 °F (6:20) 63.9 °F
Dew Point 59.0 °F (14:27) 49.0 °F (7:00) 53.2 °F
Humidity 83 % (7:53) 50 % (17:23) 68.9 %
Wind Speed 1.01 mph West (12:25) - -
Wind Gust 4.00 mph Southeast (13:26) - -
Wind - - Southwest
Pressure 31.13 in (10:20) 30.99 in (19:38) 31.05 in
Precipitation Total: 0.000 in - -
 
 5/11/2026  HighLowAverage
Temperature 74.7 °F (15:23) 60.8 °F (23:59) 66.6 °F
Dew Point 60.7 °F (14:11) 51.5 °F (23:57) 57.3 °F
Humidity 84 % (6:37) 58 % (16:19) 72.5 %
Wind Speed 1.01 mph South (8:30) - -
Wind Gust 5.01 mph West (15:09) - -
Wind - - Southeast
Pressure 31.05 in (23:39) 30.90 in (3:48) 30.97 in
Precipitation Total: 0.000 in - -
 
 5/10/2026  HighLowAverage
Temperature 83.5 °F (16:49) 55.9 °F (7:42) 68.7 °F
Dew Point 64.7 °F (11:21) 47.6 °F (16:06) 56.9 °F
Humidity 99 % (9:09) 30 % (16:19) 71 %
Wind Speed 1.01 mph Southeast (13:19) - -
Wind Gust 4.00 mph South (18:35) - -
Wind - - South
Pressure 30.95 in (8:47) 30.84 in (2:35) 30.9 in
Precipitation Total: 0.000 in - -
 
 5/9/2026  HighLowAverage
Temperature 75.6 °F (16:47) 52.9 °F (3:52) 63.9 °F
Dew Point 64.0 °F (18:16) 49.8 °F (2:00) 57 °F
Humidity 92 % (3:43) 57 % (17:16) 79.3 %
Wind Speed 1.01 mph West (10:24) - -
Wind Gust 4.00 mph Southwest (11:55) - -
Wind - - Southwest
Pressure 30.86 in (22:59) 30.75 in (18:00) 30.79 in
Precipitation Total: 0.000 in - -
 
 5/8/2026  HighLowAverage
Temperature 71.4 °F (16:59) 47.8 °F (7:55) 59.3 °F
Dew Point 51.4 °F (22:19) 38.9 °F (12:16) 47.1 °F
Humidity 93 % (3:36) 36 % (12:16) 67.2 %
Wind Speed 1.01 mph Northwest (9:58) - -
Wind Gust 3.00 mph Southeast (10:51) - -
Wind - - South
Pressure 30.99 in (8:15) 30.83 in (23:59) 30.9 in
Precipitation Total: 0.000 in - -
 
 5/7/2026  HighLowAverage
Temperature 66.6 °F (18:40) 54.5 °F (23:59) 60.6 °F
Dew Point 62.5 °F (0:00) 47.8 °F (23:59) 55.1 °F
Humidity 98 % (0:00) 56 % (20:19) 83.3 %
Wind Speed 1.99 mph East (12:49) - -
Wind Gust 5.99 mph North (12:54) - -
Wind - - Southeast
Pressure 30.91 in (23:10) 30.74 in (3:14) 30.82 in
Precipitation Total: 0.299 in
Max Rate: 0.670 in/hr (4:38)
- -
 
 5/6/2026  HighLowAverage
Temperature 69.8 °F (0:00) 63.3 °F (23:59) 66.4 °F
Dew Point 66.8 °F (12:21) 54.8 °F (0:07) 61.8 °F
Humidity 98 % (23:54) 59 % (0:07) 86 %
Wind Speed 1.01 mph South (11:59) - -
Wind Gust 4.00 mph South (11:41) - -
Wind - - South
Pressure 30.88 in (10:30) 30.74 in (3:38) 30.79 in
Precipitation Total: 1.480 in
Max Rate: 1.290 in/hr (18:59)
- -
 
 5/5/2026  HighLowAverage
Temperature 78.1 °F (15:40) 55.8 °F (7:47) 66.7 °F
Dew Point 56.5 °F (11:24) 46.7 °F (7:07) 51 °F
Humidity 80 % (8:45) 38 % (13:57) 58.4 %
Wind Speed 1.01 mph West (13:59) - -
Wind Gust 8.01 mph West (13:58) - -
Wind - - Southwest
Pressure 30.89 in (8:53) 30.76 in (17:49) 30.83 in
Precipitation Total: 0.000 in - -
 
 5/4/2026  HighLowAverage
Temperature 77.7 °F (16:08) 44.6 °F (7:02) 62.2 °F
Dew Point 56.0 °F (16:31) 41.0 °F (6:40) 47.4 °F
Humidity 88 % (6:41) 39 % (19:02) 60.7 %
Wind Speed 0.00 mph West (0:00) - -
Wind Gust 4.00 mph Southwest (13:57) - -
Wind - - West
Pressure 30.98 in (0:00) 30.82 in (20:15) 30.9 in
Precipitation Total: 0.000 in - -
 
 5/3/2026  HighLowAverage
Temperature 69.8 °F (17:20) 41.9 °F (7:45) 55.9 °F
Dew Point 45.3 °F (19:38) 37.8 °F (17:10) 41.6 °F
Humidity 95 % (7:58) 32 % (17:28) 62.3 %
Wind Speed 0.00 mph Northeast (0:00) - -
Wind Gust 3.00 mph South (9:41) - -
Wind - - Southeast
Pressure 31.10 in (9:55) 30.94 in (20:43) 31.01 in
Precipitation Total: 0.000 in - -
 
 5/2/2026  HighLowAverage
Temperature 67.3 °F (16:39) 51.8 °F (8:02) 58.4 °F
Dew Point 43.3 °F (0:12) 33.9 °F (12:43) 38.2 °F
Humidity 69 % (23:59) 30 % (16:47) 48.1 %
Wind Speed 1.01 mph Southwest (10:18) - -
Wind Gust 8.01 mph Northeast (8:59) - -
Wind - - Southeast
Pressure 30.98 in (23:25) 30.85 in (6:49) 30.88 in
Precipitation Total: 0.000 in - -
 
 5/1/2026  HighLowAverage
Temperature 67.3 °F (14:23) 50.0 °F (6:38) 59.2 °F
Dew Point 51.7 °F (19:40) 41.6 °F (13:56) 45.5 °F
Humidity 76 % (5:46) 40 % (13:56) 61.3 %
Wind Speed 0.00 mph Southwest (0:00) - -
Wind Gust 1.99 mph North (8:46) - -
Wind - - South
Pressure 30.91 in (10:19) 30.80 in (18:48) 30.85 in
Precipitation Total: 0.000 in - -