Washington County, IA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Washington County Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
| Sunny | Chance of T-Storm | Chance of T-Storm | Clear | Sunny | Clearing | Mostly Clear | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Chance of Showers |
| Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C |
| POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 126 PM CDT Thu Oct 08 2026 

Washington County Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Washington County Weather Map
Washington County Quick Facts
Washington County Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 220 PM CDT Thu Oct 8 2026
Key Messages
- Showers/Storms moving in late tonight into Friday AM, bringing light rainfall for many. There will be a low-end threat for strong/severe storms, with hail being the primary threat.
- A dry and unseasonably mild weekend is ahead of us, featuring mostly clear skies and light winds.
- Precipitation chances will be on the rise mid-late next week.
Aviation
/18Z TAFS THROUGH 18Z FRIDAY/... Issued at 1147 AM CDT Thu Oct 8 2026
VFR conditions will prevail through much, if not all, of the TAF period...
Weather World