Huntsville, AL Weather
Huntsville hourly forecast: next 24 hours
Today's high of 93°F (34°C) is about 9°F (5°C) above the typical September high of 84°F (29°C).
Current conditions in detail
Huntsville weather tomorrow (Wednesday, September 16)
Tomorrow in Huntsville looks sunny, with a high of 93° and an overnight low of 74°. Rain is unlikely (3% chance). Winds top out near 6 mph, and the UV index reaches 8 (very high).
Huntsville 14-day forecast
About the weather in Huntsville
Huntsville averages 62°F (17°C) across the year, with 9.0 hours of sunshine a day and 57.4 inches (1458 mm) of precipitation. The spread runs from January, at 50°F (10°C), to July, at 89°F (32°C).
Huntsville weather: quick facts
- Hottest month: July - highs near 89°F (32°C)
- Coldest month: January - highs near 50°F (10°C)
- Decade extremes (2015-2024): 98°F (37°C) high · 0°F (-18°C) low
- Wettest month: February (13 rainy days) · Sunniest: June (11.7 h sun/day)
- Climate type: humid subtropical
- Annual swing: 21°C between the average warmest and coolest month · day to night: 10°C
- Snow: about 1 days a year
- Months averaging 30°C or hotter: 3
- Average humidity: 72%
Temperatures through the year
Warmth peaks in July: highs of 89°F (32°C), lows of 71°F (22°C). January sits at the other end of the year: 50°F (10°C) by day, 34°F (1°C) at night. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 98°F (37°C) and the lowest daily minimum 0°F (-18°C). Precipitation concentrates in February - 6.7 inches (171 mm) on 13 days - and thins out by September.
Rain, sun and snow
Three of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is April through May. Sunshine averages 9.0 hours a day over the year, peaking in June at 11.7 hours. Average highs hold at or above 30°C for 3 months of the year, June through August being the unbroken run.
Season by season
Spring (March through May)
Through spring, Huntsville is mild and warm: 71°F (22°C) by day, 51°F (11°C) after dark, and rain falls on around 35 of the 90 days.
Summer (June through August)
Summer brings hot afternoons here - highs near 88°F (31°C), nights near 70°F (21°C), and rain falls on around 42 of the 90 days. Daylight is generous - around 11.4 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
Fall (September through November)
Through fall, Huntsville brings comfortable warmth: 74°F (23°C) by day, 55°F (13°C) after dark, and expect showers on roughly 24 days across the season.
Winter (December through February)
Winter in Huntsville stays on the cool side of mild, with daytime highs averaging 54°F (12°C) and nights around 37°F (3°C); rain falls on around 35 of the 90 days.
Average temperatures in Huntsville by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 50° | 34° | 11 | 5.1 in | 6.5 h/day | 72% |
| February | 56° | 38° | 13 | 6.7 in | 6.2 h/day | 73% |
| March | 63° | 44° | 12 | 6.5 in | 8.0 h/day | 71% |
| April | 70° | 50° | 11 | 4.9 in | 9.7 h/day | 69% |
| May | 80° | 60° | 12 | 4.2 in | 10.9 h/day | 71% |
| June | 87° | 68° | 12 | 4.0 in | 11.7 h/day | 71% |
| July | 89° | 71° | 16 | 4.8 in | 11.6 h/day | 75% |
| August | 88° | 70° | 14 | 5.0 in | 10.8 h/day | 74% |
| September | 84° | 65° | 8 | 3.2 in | 10.1 h/day | 70% |
| October | 74° | 55° | 7 | 3.4 in | 9.0 h/day | 69% |
| November | 62° | 44° | 9 | 3.7 in | 7.5 h/day | 71% |
| December | 55° | 39° | 11 | 5.9 in | 6.1 h/day | 76% |