Jacksonville, FL Weather
Jacksonville hourly forecast: next 24 hours
Today's high of 94°F (35°C) is about 9°F (5°C) above the typical September high of 85°F (29°C).
Current conditions in detail
Jacksonville weather tomorrow (Wednesday, September 16)
Tomorrow in Jacksonville looks patchy rain nearby, with a high of 90° and an overnight low of 79°. Precipitation chance is modest at 17%. Winds top out near 15 mph, and the UV index reaches 9 (very high).
Jacksonville 14-day forecast
About the weather in Jacksonville
Jacksonville records 149 wet days and 9.6 hours of daily sunshine in an average year. Temperatures follow a humid subtropical pattern, running 64°F (18°C) in January up to 89°F (32°C) in July.
Jacksonville weather: quick facts
- Hottest month: July - highs near 89°F (32°C)
- Coldest month: January - highs near 64°F (18°C)
- Decade extremes (2015-2024): 103°F (39°C) high · 24°F (-4°C) low
- Wettest month: August (24 rainy days) · Sunniest: May (11.6 h sun/day)
- Climate type: humid subtropical
- Annual swing: 15°C between the average warmest and coolest month · day to night: 8°C
- Months averaging 30°C or hotter: 3
- Average humidity: 78%
Temperatures through the year
At its warmest, in July, Jacksonville runs to 89°F (32°C) in the afternoon and back to 76°F (24°C) by dawn. January bottoms out at 64°F (18°C) in daylight, 48°F (9°C) after dark. Precipitation concentrates in August - 7.6 inches (192 mm) on 24 days - and thins out by November.
Rain, sun and snow
Average highs hold at or above 30°C for 3 months of the year, June through August being the unbroken run. Six of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is February through April. May is the brightest month at 11.6 hours of sun a day, against an annual average of 9.6. The gridded 2015-2024 daily record for this location tops out at 103°F (39°C) and bottoms at 24°F (-4°C) - decade extremes, not all-time station records.
Season by season
Spring (March through May)
Through spring, Jacksonville brings comfortable warmth: 79°F (26°C) by day, 62°F (17°C) after dark, and expect showers on roughly 26 days across the season. Daylight is generous - around 10.6 hours of sun a day.
Summer (June through August)
Through summer, Jacksonville runs hot: 88°F (31°C) by day, 75°F (24°C) after dark, and rain falls on around 65 of the 90 days. Daylight is generous - around 11.0 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)
Fall settles into easy warmth here - highs near 79°F (26°C), nights near 66°F (19°C), and rain falls on around 35 of the 90 days.
Winter (December through February)
Winter stays on the cool side of mild here - highs near 67°F (19°C), nights near 51°F (11°C), and expect showers on roughly 22 days across the season.
Average temperatures in Jacksonville by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 64° | 48° | 7 | 2.5 in | 7.8 h/day | 76% |
| February | 69° | 52° | 8 | 3.0 in | 8.4 h/day | 78% |
| March | 74° | 57° | 8 | 2.8 in | 9.5 h/day | 73% |
| April | 79° | 62° | 8 | 3.0 in | 10.7 h/day | 72% |
| May | 84° | 68° | 10 | 3.2 in | 11.6 h/day | 73% |
| June | 88° | 74° | 19 | 6.3 in | 11.1 h/day | 78% |
| July | 89° | 76° | 22 | 6.6 in | 11.2 h/day | 80% |
| August | 88° | 76° | 24 | 7.6 in | 10.6 h/day | 83% |
| September | 85° | 73° | 17 | 7.4 in | 9.5 h/day | 82% |
| October | 79° | 66° | 10 | 3.6 in | 9.4 h/day | 79% |
| November | 72° | 58° | 8 | 2.4 in | 8.1 h/day | 80% |
| December | 68° | 53° | 7 | 2.5 in | 7.5 h/day | 81% |