Weather in Weir, MS
Updated 2026-09-26 10:00 local time · ZIP codes 39772
Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
78°7% rain
82°11% rain83°10% rain85°10% rain84°10% rain86°9% rain86°9% rain84°10% rain83°11% rain
78°10% rain
76°7% rain75°7% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 11%).
It feels like 80°F with winds near 3 mph.
76°F, 7% rain chance and 4 mph wind.
Visibility is around 6 mi; gusts may reach 13 mph.
Current temperature is 78°F, wind 3 mph, rain chance up to 11%.
UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Weir
Mississippi has a humid subtropical climate with long hot summers, mild winters, frequent heavy rain and a notable severe-weather season.
Weir is part of the South weather region. The forecast point is near 33.27°N latitude and 89.29°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Weir weather today
Cloudy and 78°F in Weir, MS. Today's high is 86°F with a 8% rain chance. Winds are around 3 mph with gusts near 3 mph. Relative humidity is 53%, pressure is 30.06 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Weir
Sunrise is at 06:48 AM and sunset is at 06:48 PM. Tomorrow's forecast calls for Overcast with a high near 88°F and a low near 67°F. The maximum rain chance is 4%.