Weather in New Haven, IL
Updated 2026-09-26 09:00 local time · ZIP codes 62867
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
64°10% rain68°10% rain
71°7% rain75°9% rain74°9% rain76°9% rain76°9% rain77°5% rain76°9% rain73°9% rain
69°10% rain
67°8% 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 10%).
It feels like 58°F with winds near 7 mph.
71°F, 7% rain chance and 6 mph wind.
Visibility is around 6 mi; gusts may reach 14 mph.
Current temperature is 64°F, wind 7 mph, rain chance up to 10%.
UV index is 1.
Local weather characteristics in New Haven
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
New Haven is part of the Midwest weather region. The forecast point is near 37.91°N latitude and 88.13°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.
New Haven weather today
Overcast and 64°F in New Haven, IL. Today's high is 77°F with a 8% rain chance. Winds are around 7 mph with gusts near 10 mph. Relative humidity is 41%, pressure is 30.15 inHg, and visibility is about 6 miles.
Tonight and tomorrow in New Haven
Sunrise is at 06:43 AM and sunset is at 06:43 PM. Tomorrow's forecast calls for Overcast with a high near 81°F and a low near 55°F. The maximum rain chance is 5%.