Washington, IA Weather Forecast

Local 7-day forecast

78°
F

Mostly Sunny then Showers And Thunderstorms Likely

Track current conditions, temperature changes, wind, and the full daily outlook for Washington, IA in one place.

Friday, April 17, 2026
Wind: 13 to 25 mph S
Friday

Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 78. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Washington, IA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 15, 2026 3:05 AM CDT.

The active forecast window currently covers Apr 17 to Apr 21, 2026 for Washington, IA.

Page Snapshot

Page focus
city weather
Forecast window
Apr 17 to Apr 21, 2026
Latest sync
Apr 15, 2026 3:05 AM CDT
Forecast office
DMX
Source
NOAA / NWS
Next High
78°F
Friday
Next Low
34°F
Friday Night
Rain Outlook
4
Periods mentioning precipitation
Windiest
13 to 25 mph
Friday

Daily Outlook

Today
Apr 17
Mostly Sunny then Showers And Thunderstorms Likely
78 °F
/ 34°F
Wind 13 to 25 mph
Sat
Apr 18
Chance Rain And Snow Showers
45 °F
/ 30°F
Wind 25 mph
Sun
Apr 19
Sunny
52 °F
/ 33°F
Wind 12 to 16 mph
Mon
Apr 20
Sunny
61 °F
/ 43°F
Wind 9 to 18 mph
Tue
Apr 21
Sunny
68 °F
Wind 16 to 21 mph

This Week in Washington

Friday looks like the warmest upcoming period in Washington at 78 degrees F.

Saturday Night is the coolest period ahead with temperatures near 30 degrees F.

The strongest winds are forecast for Friday at about 13 to 25 mph S.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated
Apr 15, 2026 3:05 AM CDT
Coverage
5 days
Time zone
America/Chicago
Forecast office
DMX
Radar station
KDMX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Friday Night
Apr 17
34°F
Showers And Thunderstorms Likely
23 mph W

Showers and thunderstorms likely. Mostly cloudy, with a low around 34. Chance of precipitation is 70%.

Saturday
Apr 18
45°F
Chance Rain And Snow Showers
25 mph NW

A chance of showers and thunderstorms before 7am, then a chance of rain and snow showers. Partly sunny, with a high near 45. Chance of precipitation is 40%.

Saturday Night
Apr 18
30°F
Slight Chance Snow Showers then Partly Cloudy
13 to 24 mph WNW

A slight chance of snow showers before 7pm. Partly cloudy, with a low around 30.

Sunday
Apr 19
52°F
Sunny
12 to 16 mph NW

Sunny, with a high near 52.

Sunday Night
Apr 19
33°F
Mostly Clear
12 mph NE

Mostly clear, with a low around 33.

Monday
Apr 20
61°F
Sunny
9 to 18 mph SE

Sunny, with a high near 61.

Monday Night
Apr 20
43°F
Partly Cloudy
17 mph SSE

Partly cloudy, with a low around 43.

Tuesday
Apr 21
68°F
Sunny
16 to 21 mph S

Sunny, with a high near 68.

Detailed Forecast

Period Conditions Temp Wind
Friday
Apr 17
Mostly Sunny then Showers And Thunderstorms Likely
78°F
13 to 25 mph
S
Friday Night
Apr 17
Showers And Thunderstorms Likely
34°F
23 mph
W
Saturday
Apr 18
Chance Rain And Snow Showers
45°F
25 mph
NW
Saturday Night
Apr 18
Slight Chance Snow Showers then Partly Cloudy
30°F
13 to 24 mph
WNW
Sunday
Apr 19
Sunny
52°F
12 to 16 mph
NW
Sunday Night
Apr 19
Mostly Clear
33°F
12 mph
NE
Monday
Apr 20
Sunny
61°F
9 to 18 mph
SE
Monday Night
Apr 20
Partly Cloudy
43°F
17 mph
SSE
Tuesday
Apr 21
Sunny
68°F
16 to 21 mph
S
Washington  Missouri  at dusk
Washington Missouri at dusk image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.