Jackson, MS Weather
Jackson hourly forecast: next 24 hours
Today's high of 98°F (37°C) is about 10°F (6°C) above the typical September high of 88°F (31°C).
Current conditions in detail
Jackson weather tomorrow (Wednesday, September 16)
Tomorrow in Jackson looks sunny, with a high of 98° and an overnight low of 78°. Rain is unlikely (2% chance). Winds top out near 11 mph, and the UV index reaches 8 (very high).
Jackson 14-day forecast
About the weather in Jackson
Weather in Jackson follows a humid subtropical pattern. The warmest and coolest months, July and January, average 91°F (33°C) and 57°F (14°C) by day; nights in those months run 74°F (23°C) and 38°F (3°C).
Jackson weather: quick facts
- Hottest month: July - highs near 91°F (33°C)
- Coldest month: January - highs near 57°F (14°C)
- Decade extremes (2015-2024): 103°F (39°C) high · 12°F (-11°C) low
- Wettest month: April (10 rainy days) · Sunniest: June (12.0 h sun/day)
- Climate type: humid subtropical
- Annual swing: 19°C between the average warmest and coolest month · day to night: 10°C
- Months averaging 30°C or hotter: 4
- Average humidity: 74%
Temperatures through the year
Sunshine averages 9.3 hours a day over the year, peaking in June at 12.0 hours. At its warmest, in July, Jackson runs to 91°F (33°C) in the afternoon and back to 74°F (23°C) by dawn. January is the coolest month, with highs of 57°F (14°C) and lows near 38°F (3°C). Average highs hold at or above 30°C for 4 months of the year, June through September being the unbroken run.
Rain, sun and snow
Snowfall is rare but not unheard of. Three of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is October through November. Days and nights are about 10°C apart on average - wider than roughly 78% of the cities we track. The gridded 2015-2024 daily record for this location tops out at 103°F (39°C) and bottoms at 12°F (-11°C) - decade extremes, not all-time station records.
Season by season
Spring (March through May)
Through spring, Jackson is mild and warm: 75°F (24°C) by day, 56°F (13°C) after dark, and rain falls on around 35 of the 90 days.
Summer (June through August)
Through summer, Jackson sits firmly in the heat: 90°F (32°C) by day, 72°F (22°C) after dark, and rain falls on around 41 of the 90 days. Daylight is generous - around 11.5 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, Jackson is mild and warm: 78°F (26°C) by day, 58°F (14°C) after dark, and expect showers on roughly 23 days across the season.
Winter (December through February)
Winter is mild here - highs near 60°F (16°C), nights near 42°F (5°C), and rain falls on around 33 of the 90 days.
Average temperatures in Jackson by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 57° | 38° | 10 | 5.3 in | 6.9 h/day | 74% |
| February | 62° | 43° | 12 | 5.6 in | 7.0 h/day | 76% |
| March | 69° | 50° | 12 | 6.0 in | 8.4 h/day | 75% |
| April | 74° | 54° | 10 | 6.9 in | 9.3 h/day | 74% |
| May | 83° | 63° | 12 | 4.9 in | 11.1 h/day | 75% |
| June | 89° | 70° | 13 | 4.2 in | 12.0 h/day | 74% |
| July | 91° | 74° | 15 | 4.6 in | 11.8 h/day | 75% |
| August | 90° | 73° | 14 | 4.8 in | 10.8 h/day | 74% |
| September | 88° | 68° | 8 | 2.9 in | 10.6 h/day | 69% |
| October | 79° | 58° | 6 | 3.5 in | 9.3 h/day | 67% |
| November | 67° | 48° | 9 | 4.0 in | 7.9 h/day | 74% |
| December | 61° | 44° | 11 | 5.0 in | 6.7 h/day | 77% |