Weather in Grinnell, KS
Updated 2026-09-26 09:00 local time · ZIP codes 67738
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
64°11% rain68°7% rain73°4% rain77°2% rain81°1% rain84°1% rain86°0% rain88°0% rain88°0% rain87°0% rain81°1% rain
77°1% 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 64°F with winds near 6 mph.
73°F, 4% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 11 mph.
Current temperature is 64°F, wind 6 mph, rain chance up to 11%.
UV index is 0.
Local weather characteristics in Grinnell
Kansas weather is highly variable, with hot summers, cold outbreaks in winter, strong winds and a significant risk of severe thunderstorms and tornadoes in spring and early summer.
Grinnell is part of the Midwest weather region. The forecast point is near 39.13°N latitude and 100.63°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.
Grinnell weather today
Sunny and 64°F in Grinnell, KS. Today's high is 88°F with a 57% rain chance. Winds are around 6 mph with gusts near 8 mph. Relative humidity is 83%, pressure is 29.88 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Grinnell
Sunrise is at 07:33 AM and sunset is at 07:33 PM. Tomorrow's forecast calls for Sunny with a high near 87°F and a low near 66°F. The maximum rain chance is 3%.