Jackson, Mississippi Weather
Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →
Jackson weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 9:23 AM CDT · Open-Meteo
- TodaySep 21Overcast later18%—95°76°—
- TuesdaySep 22Overcast11%—94°73°-1°
- WednesdaySep 23Overcast——95°75°+1°
- ThursdaySep 24Overcast——90°71°-5°
- FridaySep 25Overcast——90°71°0°
- SaturdaySep 26Overcast——91°70°+1°
- SundaySep 27Light Drizzle——92°70°+1°
Air quality now AQI 43 · Good
AQI 43 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.8 µg/m³ (AQI 49) with a 0.91 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in stagnant air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 6 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 36 now. With UV 3.2 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11.
- Present
- AQI 36
- UV peak
- 3.2 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 11
PM × Wind × Precip
PM2.5 at 8.8 µg/m³ (AQI 49) with a 0.91 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.91
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:13 PM
- Moonset
- 1:45 AM
- In sign
- ♑︎ Capricorn
Thunder quiets the land
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Jackson at a glance
- Today vs. normal: Today averages 86°F (high 95°F, low 76°F), 10°F above the 76°F normal for Sep 21
- Last frost: March 6 (1991–2020 median, NOAA station 3 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant beans, squash, fall brassicas, carrots; harvest beans, summer squash, winter squash
16-Day Forecast — Jackson
- Mon95°76°18%
- Tue94°73°11%
- Wed95°75°7%
- Thu90°71°1%
- Fri90°71°1%
- Sat91°70°1%
- Sun92°70°5%
- Mon91°68°7%
- Tue89°70°32%
- Wed76°71°30%
- Thu88°70°12%
- Fri87°74°9%
- Sat78°71°19%
- Sun86°67°19%
- Mon75°60°23%
- Tue77°55°16%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Jackson
Interactive wind and temperature map centered on Jackson — it loads in your browser. Open the full weather map.
Right now in the garden
Late season
As of September 21, the first frost (around November 19) is about 8 weeks away. Frost-tender plants keep producing until then. This city's planting calendar for September: plant beans, squash, fall brassicas, and carrots; harvest beans, summer squash, and winter squash.
SPC Convective Outlook
Storm Prediction Center — Jackson
SPC has placed Jackson in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook.
Sun & seasons in Jackson
Jackson sits in Hinds County, where the year’s longest day runs 14h 16m of daylight and its shortest just 10h 2m — a swing of +4h 15m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Jackson is the state’s largest city. The nearest town Jackson tracks is Lucedale, roughly 135 miles to the SE.
Air quality in Jackson
Air quality in Jackson’s county has held roughly steady since 2020; its cleanest year on record was 2024 (median AQI 48). See the full air-quality history for Jackson.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| February | lettuce, peas, spinach, radishes | — |
| March | lettuce, peas, spinach, radishes | lettuce, spinach, radishes |
| April | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| May | tomatoes, squash | lettuce, peas, spinach, beans, summer squash, garlic |
| June | squash | tomatoes, peppers, beans, summer squash, garlic |
| July | tomatoes, peppers, beans, squash | tomatoes, peppers, summer squash, winter squash |
| August | tomatoes, peppers, beans, squash | summer squash, winter squash |
| September | beans, squash, fall brassicas, carrots | beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| November | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| December | — | fall brassicas, carrots |
A year in weather
July is Jackson's warmest stretch (~83°F) and January its coldest (~46°F); precipitation crests in December at 5.4 inches and ebbs in October to 2.2 inches.
| Month | Mean temp | Precip |
|---|---|---|
| January | 46° | 4.8″ |
| February | 49° | 4.3″ |
| March | 57° | 4.8″ |
| April | 65° | 4.6″ |
| May | 73° | 3.2″ |
| June | 81° | 2.8″ |
| July | 83° | 3.6″ |
| August | 83° | 3.9″ |
| September | 78° | 2.4″ |
| October | 68° | 2.2″ |
| November | 56° | 4.0″ |
| December | 49° | 5.4″ |
Regional context
Similar climates Richland, MS, Pearl, MS, Flowood, MS
By modelled 1991-2020 normals (EC_Earth3P_HR model via Open-Meteo), Jackson sees 46°F Januarys and 83°F Julys, a 37°F range, plus around 45.8 inches of precipitation.
Month by month, Jackson's rain crests in December (5.4 inches) and ebbs in October (2.2 inches), though November through March out-rains May through September in total. Nearest to Jackson for comparison: places like Richland, MS, Pearl, MS and Flowood, MS.
By March 6 the frosts ease in Jackson, opening the season for lettuce, chard, arugula, and mustard greens. Warm-soil crops in Jackson wait about two weeks past Jackson's last frost, once the soil warms. Jackson's window closes around November 19 as Jackson's overnight lows return below freezing. In about half of years, Jackson's last freeze comes after March 6.
Similar climates: Richland, MS, Pearl, MS, Flowood, MS, Clinton, MS, Ridgeland, MS.
Frequently asked
- When does it freeze in Jackson?
- Frost typically leaves Jackson by March 6 and returns to Jackson near November 19.
- What is the rainy season in Jackson?
- Jackson sees its heaviest rain in December (around 5.4 inches), part of roughly 46 inches a year.
- What is the warmest month in Jackson?
- On average July tops the year in Jackson at about 83°F.
- What is the coldest month in Jackson?
- The coldest stretch in Jackson falls in January, around 46°F on average.
- When can I start a vegetable garden in Jackson?
- Around March 6, start frost-hardy crops in Jackson; tomatoes and basil belong a fortnight later.
- What hardiness zone is Jackson?
- With January around 46°F, Jackson's zone reflects that minimum — the USDA ZIP map confirms Jackson's band.
- What is the 10-day forecast for Jackson?
- Jackson's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Jackson?
- See this week's day-by-day rain chances for Jackson in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Jackson?
- Current conditions for Jackson and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Jackson forecast updated?
- The Jackson forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Jackson?
- Today's sunrise and sunset times for Jackson are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Jackson?
- The next few days in Jackson's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Jackson sits at 32.3°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Jackson
- 39060
- 39174
- 39201
- 39202
- 39203
- 39204
- 39205
- 39206
- 39207
- 39209
- 39210
- 39211
- 39212
- 39213
- 39215
- 39216
- 39217
- 39225
- 39236
- 39269
- 39272
- 39282
- 39283
- 39284
- 39286
- 39289
- 39296
- 39298