Washington, IA Weather Forecast
Local 7-day forecast
Mostly Sunny then Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Washington, IA in one place.
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 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
Daily Outlook
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 sourceExtended Forecast
Showers and thunderstorms likely. Mostly cloudy, with a low around 34. Chance of precipitation is 70%.
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%.
A slight chance of snow showers before 7pm. Partly cloudy, with a low around 30.
Sunny, with a high near 52.
Mostly clear, with a low around 33.
Sunny, with a high near 61.
Partly cloudy, with a low around 43.
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
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Washington.