Washington County, IA Weather Forecast

County weather hub

59°
F

Partly Sunny

Compare major city weather across Washington County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Friday, October 16, 2026
Wind: 20 to 30 mph NW
Friday

Partly sunny, with a high near 59.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Washington County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 3 of 3 mapped cities in Washington County.

Page Snapshot

Page focus
county weather
Forecast window
Oct 16 to Oct 18, 2026
Latest sync
Oct 12, 2026 12:50 AM CDT
Forecast office
DVN
Source
NOAA / NWS
Next High
59°F
Friday
Next Low
37°F
Friday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
20 to 30 mph
Friday

Daily Outlook

Today
Oct 16
Partly Sunny
59 °F
/ 37°F
Wind 20 to 30 mph
Sat
Oct 17
Sunny
57 °F
/ 38°F
Wind 5 mph
Sun
Oct 18
Sunny
64 °F
Wind 10 to 20 mph

This Week in Washington County

Sunday looks like the warmest upcoming period in Washington County at 64 degrees F.

Friday Night is the coolest period ahead with temperatures near 37 degrees F.

The strongest winds are forecast for Friday at about 20 to 30 mph NW.

The forecast from Oct 16 through Oct 18 stays mostly dry.

Forecast Details

Last updated
Oct 12, 2026 12:50 AM CDT
Coverage
3 days
Time zone
America/Chicago
Forecast office
DVN
Radar station
KDVN

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

Open NOAA source

Extended Forecast

Friday Night
Oct 16
37°F
Partly Cloudy
5 to 20 mph NW

Partly cloudy, with a low around 37.

Saturday
Oct 17
57°F
Sunny
5 mph NW

Sunny, with a high near 57.

Saturday Night
Oct 17
38°F
Clear
5 to 10 mph SW

Clear, with a low around 38.

Sunday
Oct 18
64°F
Sunny
10 to 20 mph S

Sunny, with a high near 64.

Detailed Forecast

Period Conditions Temp Wind
Friday
Oct 16
Partly Sunny
59°F
20 to 30 mph
NW
Friday Night
Oct 16
Partly Cloudy
37°F
5 to 20 mph
NW
Saturday
Oct 17
Sunny
57°F
5 mph
NW
Saturday Night
Oct 17
Clear
38°F
5 to 10 mph
SW
Sunday
Oct 18
Sunny
64°F
10 to 20 mph
S

Coverage

Tracked cities
3
Coverage
100%

Forecast coverage currently spans 3 of 3 mapped cities in Washington County.

Largest mapped city population in this region: 1,401.

Washington County Courthouse  Iowa
Washington County Courthouse Iowa 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.