Biloxi, Mississippi Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Biloxi weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast22%—89°76°—
- MondayJul 6Heavy Rain26%2.3″87°72°-2°
- TuesdayJul 7Overcast48%—94°74°+7°
- WednesdayJul 8Light Drizzle22%—93°80°-1°
- ThursdayJul 9Light Drizzle13%—93°80°0°
- FridayJul 10Light Drizzle——92°83°-1°
- SaturdayJul 11Light Drizzle29%—93°76°+1°
AQI 80 (Moderate), driven by Ozone. AQI up 25 in the last 6 hours — air quality is degrading. Ozone at AQI 144 now. With UV 7.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 134 around 1 PM.
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 144 now. With UV 7.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 134 around 1 PM.
- Present
- AQI 144
- UV peak
- 7.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 134
PM × Wind × Precip
PM2.5 at 15.2 µg/m³, PM10 at 17.5 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.87
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:07 PM
- Moonset
- 11:10 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Biloxi at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: February 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 39530, 39531, 39532, 39534
16-Day Forecast — Biloxi
- Sun89°76°22%
- Mon87°72°26%
- Tue94°74°48%
- Wed93°80°22%
- Thu93°80°13%
- Fri92°83°8%
- Sat93°76°29%
- Sun86°74°46%
- Mon93°75°57%
- Tue102°79°28%
- Wed96°75°23%
- Thu99°83°35%
- Fri96°83°35%
- Sat89°78°42%
- Sun89°76°42%
- Mon95°77°29%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Biloxi
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Biloxi
SPC has placed Biloxi in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
Microseason · July 1–5
Cicadas claim the scorching afternoon
Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.
Day 186 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
Biloxi'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 | Rainy days |
|---|---|---|---|
| January | 52° | 5.1″ | 16 |
| February | 54° | 4.6″ | 14 |
| March | 61° | 5.6″ | 18 |
| April | 67° | 4.7″ | 16 |
| May | 75° | 3.3″ | 15 |
| June | 81° | 4.3″ | 20 |
| July | 82° | 6.0″ | 26 |
| August | 81° | 6.4″ | 26 |
| September | 78° | 4.3″ | 18 |
| October | 71° | 2.4″ | 11 |
| November | 61° | 3.9″ | 14 |
| December | 54° | 5.0″ | 16 |
Regional context
Drawing on NOAA NCEI 1991-2020 normals, Biloxi's January averages 52°F and July 82°F — 30°F apart — while precipitation totals roughly 55.6 inches over some 210 days.
Biloxi's precipitation spreads evenly: August peaks at 6.4 inches on 26.4 wet days, while October holds 2.4 inches over 10.7 — no month dominates Biloxi's rain calendar. It is a balanced pattern Biloxi shares with places like D'Iberville, MS, St. Martin, MS and Latimer, MS.
Freezes are uncommon in Biloxi, where the coldest month averages 52°F; cool-season crops grow fall through spring. Summer heat in July (about 82°F) is the binding constraint, not cold. Across Biloxi, elevation and tree cover drive a 4-7°F spread in Biloxi's overnight lows.
Similar climates: D'Iberville, MS, St. Martin, MS, Latimer, MS, Gulfport, MS, Gulf Hills, MS.
Frequently asked
- When does it freeze in Biloxi?
- Biloxi's last spring frost lands near mid-March, and in Biloxi the first fall frost follows around mid-December.
- What is the rainy season in Biloxi?
- Biloxi sees its heaviest rain in August (around 6.4 inches), part of roughly 56 inches a year.
- What is the warmest month in Biloxi?
- Biloxi peaks in July, when the mean runs near 82°F.
- What is the coldest month in Biloxi?
- January is Biloxi's coldest month, averaging about 52°F.
- When can I start a vegetable garden in Biloxi?
- Around mid-March, start frost-hardy crops in Biloxi; tomatoes and basil belong a fortnight later.
- How many rainy days does Biloxi get?
- Expect roughly 210 wet days a year in Biloxi.
- What hardiness zone is Biloxi?
- Because Biloxi bottoms near 52°F in January, that winter low sets Biloxi's USDA zone — verify by ZIP.
- What is the 10-day forecast for Biloxi?
- Biloxi'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 Biloxi?
- See this week's day-by-day rain chances for Biloxi in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Biloxi?
- Current conditions for Biloxi and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Biloxi forecast updated?
- The Biloxi forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Biloxi?
- Today's sunrise and sunset times for Biloxi 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 Biloxi?
- The next few days in Biloxi's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a humid subtropical zone, Biloxi, Mississippi swings from 52°F in the heart of winter to 82°F at midsummer — a 30°F arc.
Yearly precipitation in Biloxi totals around 56 inches, spread over about 210 days of rain or snow.
Biloxi's 30°F range, set by its 30.4°N position, drives frost timing and what thrives in Biloxi.
ZIP codes in Biloxi
- 39531
- 39530
- 39532
- 39534
- 39533
- 39535