Caledonia, Mississippi Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Caledonia weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Drizzle13%0.01″87°73°—
- MondayJul 6Heavy Rain17%0.92″88°73°+1°
- TuesdayJul 7Overcast17%—95°72°+7°
- WednesdayJul 8Thunderstorm——93°71°-2°
- ThursdayJul 9Light Showers10%—96°71°+3°
- FridayJul 10Overcast16%—97°72°+1°
- SaturdayJul 11Drizzle32%—95°72°-2°
AQI 56 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 70. Overcast through the UV peak window (cloud cover ~69%) — afternoon ozone should stay flat.
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 70. Overcast through the UV peak window (cloud cover ~69%) — afternoon ozone should stay flat.
- Present
- AQI 70
- UV peak
- 7.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 35
PM × Wind × Precip
PM2.5 at 11.2 µg/m³ (AQI 55) with a 0.90 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:07 PM
- Moonset
- 11:07 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Caledonia at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: March 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 39740
16-Day Forecast — Caledonia
- Sun87°73°13%
- Mon88°73°17%
- Tue95°72°17%
- Wed93°71°8%
- Thu96°71°10%
- Fri97°72°16%
- Sat95°72°32%
- Sun92°71°44%
- Mon98°72°25%
- Tue89°67°11%
- Wed91°63°8%
- Thu98°68°20%
- Fri96°77°26%
- Sat87°73°23%
- Sun96°71°20%
- Mon95°71°36%
Forecast data from Open-Meteo (CC BY 4.0).
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 — Caledonia
SPC has placed Caledonia 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.
ZIP codes in Caledonia
- 39740