Weather in Jefferson, IA
Updated 2026-08-11 11:15 local time · ZIP codes 50129

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
85°7% rain
91°6% rain
94°4% rain
96°3% rain
96°2% rain
96°2% rain
95°2% rain
92°4% rain
89°4% rain
85°7% rain
82°9% rain
81°10% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 10%).
It feels like 94°F with winds near 2 mph.
85°F, 7% rain chance and 2 mph wind.
Visibility is around 9 mi; gusts may reach 25 mph.
Current temperature is 85°F, wind 2 mph, rain chance up to 10%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Jefferson weather today
Sunny and 85°F in Jefferson, IA. Today's high is 96°F with a 21% rain chance. Winds are around 2 mph with gusts near 7 mph. Relative humidity is 79%, pressure is 29.84 inHg, and visibility is about 9 miles.
Tonight and tomorrow in Jefferson
Sunrise is at 06:21 AM and sunset is at 08:24 PM. Tomorrow's forecast calls for Sunny with a high near 87°F and a low near 69°F. The maximum rain chance is 20%.