Washington, IA Weather Forecast
Local 7-day forecast
Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Washington, IA in one place.
Rain showers. Cloudy. High near 57, with temperatures falling to around 53 in the afternoon. North wind 5 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters 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: Oct 15, 2026 1:38 PM CDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Washington, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 1:38 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Washington
Wednesday looks like the warmest upcoming period in Washington at 71 degrees F.
Friday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Friday at about 16 to 26 mph NNW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 1:38 PM CDT
- Coverage
- 7 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
Rain showers likely. Mostly cloudy. Low around 41, with temperatures rising to around 44 overnight. Northwest wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 11am. Mostly cloudy, with a high near 50. North northwest wind 16 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Widespread frost after 10pm. Mostly clear, with a low around 30. West northwest wind 1 to 12 mph, with gusts as high as 21 mph.
Widespread frost before 9am. Sunny, with a high near 57. Southwest wind 2 to 14 mph, with gusts as high as 21 mph.
Clear, with a low around 40.
Sunny, with a high near 64.
Mostly clear, with a low around 43.
Mostly sunny, with a high near 67.
Partly cloudy, with a low around 44.
Sunny, with a high near 69.
Mostly clear, with a low around 48.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 71.
A chance of rain showers. Mostly cloudy, with a low around 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 15
|
Rain Showers
|
57°F |
5 to 17 mph
N
|
|
Tonight
Oct 15
|
Rain Showers Likely
|
41°F |
16 to 22 mph
NW
|
|
Friday
Oct 16
|
Chance Rain Showers then Mostly Cloudy
|
50°F |
16 to 26 mph
NNW
|
|
Friday Night
Oct 16
|
Widespread Frost
|
30°F |
1 to 12 mph
WNW
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
57°F |
2 to 14 mph
SW
|
|
Saturday Night
Oct 17
|
Clear
|
40°F |
9 to 13 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
64°F |
14 to 17 mph
SSW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
43°F |
2 to 10 mph
SSW
|
|
Monday
Oct 19
|
Mostly Sunny
|
67°F |
3 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
44°F |
2 mph
S
|
|
Tuesday
Oct 20
|
Sunny
|
69°F |
1 to 7 mph
SSE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
48°F |
6 mph
SSE
|
|
Wednesday
Oct 21
|
Mostly Sunny then Slight Chance Rain Showers
|
71°F |
6 to 12 mph
S
|
|
Wednesday Night
Oct 21
|
Chance Rain Showers
|
51°F |
8 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Washington.
