Local weather forecast

Weather in Williamson, IA

Updated 2026-08-11 10:30 local time · ZIP codes 50272

Sunny
Now79°F

Sunny

High / Low95° / 74°
Rain chance7%
Wind12 mph
No active weather alerts

No government weather alerts were returned for this location at the latest update.

Hourly

Next hours

NowSunny79°8% rain
11 AMSunny89°6% rain
12 PMSunny91°4% rain
1 PMSunny93°4% rain
2 PMSunny92°4% rain
3 PMSunny94°3% rain
4 PMSunny95°2% rain
5 PMSunny93°2% rain
6 PMSunny91°3% rain
7 PMSunny89°3% rain
8 PMSunny85°5% rain
9 PMClear82°6% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
95° 74°Sunny
Rain 7%Gust 13 mph
Tomorrow2026-08-12
Sunny
94° 70°Sunny
Rain 57%Gust 16 mph
Thursday2026-08-13
Patchy rain nearby
80° 69°Patchy rain nearby
Rain 87%Gust 13 mph
Conditions

Weather details

Feels like82°F
Humidity78%
Pressure29.85 inHg
Visibility5 mi
Wind12 mph WSW
Wind gusts16 mph
Precipitation0.00 in
UV index2
Daylight

Sunrise, sunset and moon

Sunrise06:18 AM
Sunset08:17 PM
Moonrise04:19 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 7%).

Light layers should work

It feels like 82°F with winds near 12 mph.

Best window: 8 PM

85°F, 5% rain chance and 8 mph wind.

Allow a little extra driving time

Visibility is around 5 mi; gusts may reach 23 mph.

Run with a few weather adjustments

Current temperature is 79°F, wind 12 mph, rain chance up to 7%.

Low UV protection needs

UV index is 2.

Williamson weather today

Sunny and 79°F in Williamson, IA. Today's high is 95°F with a 7% rain chance. Winds are around 12 mph with gusts near 16 mph. Relative humidity is 78%, pressure is 29.85 inHg, and visibility is about 5 miles.

Tonight and tomorrow in Williamson

Sunrise is at 06:18 AM and sunset is at 08:17 PM. Tomorrow's forecast calls for Sunny with a high near 94°F and a low near 70°F. The maximum rain chance is 57%.

Nearby

Weather near Williamson

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