Gulfport, Mississippi Weather
Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →
Gulfport weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 12:50 AM CDT · Open-Meteo
- TodaySep 21Light Drizzle later33%—91°74°—
- TuesdaySep 22Drizzle30%0.03″89°71°-2°
- WednesdaySep 23Light Showers13%—92°74°+3°
- ThursdaySep 24Heavy Drizzle——94°77°+2°
- FridaySep 25Heavy Drizzle——88°73°-6°
- SaturdaySep 26Overcast——89°74°+1°
- SundaySep 27Overcast——92°74°+3°
Air quality now AQI 44 · Good
AQI 44 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.6 µg/m³ (AQI 42) with a 0.88 fine-to-coarse ratio and 5 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 30 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 13.
- Present
- AQI 30
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 13
PM × Wind × Precip
PM2.5 at 7.6 µg/m³ (AQI 42) with a 0.88 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.88
- Wind
- light
- 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
- 4:04 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 →
Gulfport at a glance
- Today vs. normal: Today averages 83°F (high 91°F, low 74°F), 6°F above the 77°F normal for Sep 21
- Last frost: February 23 (1991–2020 median, NOAA station 2 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant beans, squash, fall brassicas, carrots; harvest beans, summer squash, winter squash
15-Day Forecast — Gulfport
- Mon91°74°33%
- Tue89°71°30%
- Wed92°74°13%
- Thu94°77°8%
- Fri88°73°5%
- Sat89°74°4%
- Sun92°74°9%
- Mon79°70°11%
- Tue85°73°30%
- Wed78°71°27%
- Thu88°67°28%
- Fri89°72°45%
- Sat88°75°32%
- Sun86°77°29%
- Mon87°71°29%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Gulfport
Interactive wind and temperature map centered on Gulfport — it loads in your browser. Open the full weather map.
Right now in the garden
Peak growing season
As of September 21, the growing season is at its peak — the first frost (around December 3) is weeks away. Fall transplants go in about 10–12 weeks before the first frost, September 10 to September 24 here. 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 — Gulfport
SPC includes Gulfport in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook.
Sun & seasons in Gulfport
Gulfport sits in Harrison County, where the year’s longest day runs 14h 7m of daylight and its shortest just 10h 11m — a swing of +3h 56m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Jackson, the state’s largest city, lies about 147 miles to the NNW. The nearest town Gulfport tracks is DeLisle, roughly 13 miles to the WSW.
Air quality in Gulfport
Air quality in Gulfport’s county has held roughly steady since 2020; its cleanest year on record was 2025 (median AQI 43). See the full air-quality history for Gulfport.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| February | lettuce, peas, spinach, radishes | radishes |
| March | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, spinach, radishes |
| April | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| May | squash | lettuce, peas, spinach, beans, summer squash, garlic |
| June | beans, squash | tomatoes, peppers, beans, summer squash, winter squash, garlic |
| July | 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 | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| December | — | fall brassicas, carrots |
A year in weather
Gulfport's warmest month is July (~82°F mean) and its coldest is January (~52°F). Rainfall peaks in August (6.4 inches) and bottoms out in October (2.4 inches).
| Month | Mean temp | Precip |
|---|---|---|
| January | 52° | 5.1″ |
| February | 54° | 4.6″ |
| March | 61° | 5.6″ |
| April | 67° | 4.7″ |
| May | 75° | 3.3″ |
| June | 81° | 4.3″ |
| July | 82° | 6.0″ |
| August | 81° | 6.4″ |
| September | 78° | 4.3″ |
| October | 71° | 2.4″ |
| November | 61° | 3.9″ |
| December | 54° | 5.0″ |
Regional context
Similar climates Lyman, MS, Biloxi, MS, Long Beach, MS
By modelled 1991-2020 normals (EC_Earth3P_HR model via Open-Meteo), Gulfport sees 52°F Januarys and 82°F Julys, a 30°F range, plus around 55.6 inches of precipitation.
Rainfall in Gulfport splits evenly between the seasons: August tops out at 6.4 inches, and October logs 2.4 inches — neither half of Gulfport's year dominates. That even rhythm groups Gulfport with places like Lyman, MS, Biloxi, MS and Long Beach, MS.
By February 23 the frosts ease in Gulfport, opening the season for lettuce, chard, arugula, and mustard greens. Hold Gulfport's tender crops — tomatoes, peppers, basil — until 10-14 days past Gulfport's last frost. It shuts near December 3, when freezes return to Gulfport and tender plants need cover. Sheltered Gulfport yards can escape a light frost.
Similar climates: Lyman, MS, Biloxi, MS, Long Beach, MS, D'Iberville, MS, St. Martin, MS.
Frequently asked
- When does it freeze in Gulfport?
- Gulfport's last spring frost lands near February 23, and in Gulfport the first fall frost follows around December 3.
- What is the rainy season in Gulfport?
- August is the wettest month in Gulfport, about 6.4 inches on average; the year totals roughly 56 inches.
- What is the warmest month in Gulfport?
- On average July tops the year in Gulfport at about 82°F.
- What is the coldest month in Gulfport?
- The coldest stretch in Gulfport falls in January, around 52°F on average.
- When can I start a vegetable garden in Gulfport?
- In Gulfport, sow peas and hardy greens around February 23; Gulfport's tomatoes and peppers wait two weeks more.
- What hardiness zone is Gulfport?
- Because Gulfport bottoms near 52°F in January, that winter low sets Gulfport's USDA zone — verify by ZIP.
- What is the 10-day forecast for Gulfport?
- Gulfport'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 Gulfport?
- See this week's day-by-day rain chances for Gulfport in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Gulfport?
- Current conditions for Gulfport and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Gulfport forecast updated?
- The Gulfport forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Gulfport?
- Today's sunrise and sunset times for Gulfport 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 Gulfport?
- The next few days in Gulfport's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Gulfport sits at 30.4°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Gulfport
- 39501
- 39502
- 39503
- 39505
- 39506
- 39507