Old Washington, OH Weather Forecast
Local 7-day forecast
Areas Of Fog then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Old Washington, OH in one place.
Areas of fog before 10am, then a chance of showers and thunderstorms between 2pm and 4pm, then showers and thunderstorms likely between 4pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 79. Southwest wind 0 to 7 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Old Washington, OH 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: Aug 21, 2026 8:46 AM EDT.
The active forecast window currently covers Aug 22 to Aug 27, 2026 for Old Washington, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 22 to Aug 27, 2026
- Latest sync
- Aug 21, 2026 8:46 AM EDT
- Forecast office
- PBZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Old Washington
Saturday looks like the warmest upcoming period in Old Washington at 79 degrees F.
Monday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Sunday at about 5 to 9 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 21, 2026 8:46 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- PBZ
- Radar station
- KPBZ
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 59. West wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 73. West wind 5 to 9 mph.
Patchy fog after 11pm. Mostly clear, with a low around 55.
Patchy fog before 8am. Sunny, with a high near 73.
Mostly clear, with a low around 54.
Mostly sunny, with a high near 76.
Partly cloudy, with a low around 57.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 22
|
Areas Of Fog then Chance Showers And Thunderstorms
|
79°F |
0 to 7 mph
SW
|
|
Saturday Night
Aug 22
|
Showers And Thunderstorms Likely
|
59°F |
6 mph
W
|
|
Sunday
Aug 23
|
Mostly Sunny
|
73°F |
5 to 9 mph
W
|
|
Sunday Night
Aug 23
|
Patchy Fog
|
55°F |
2 to 7 mph
W
|
|
Monday
Aug 24
|
Patchy Fog then Sunny
|
73°F |
2 to 7 mph
W
|
|
Monday Night
Aug 24
|
Mostly Clear
|
54°F |
0 to 5 mph
NW
|
|
Tuesday
Aug 25
|
Mostly Sunny
|
76°F |
2 mph
SW
|
|
Tuesday Night
Aug 25
|
Partly Cloudy
|
57°F |
2 mph
NE
|
|
Wednesday
Aug 26
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
78°F |
3 mph
S
|
|
Wednesday Night
Aug 26
|
Chance Showers And Thunderstorms
|
62°F |
2 mph
S
|
|
Thursday
Aug 27
|
Partly Sunny then Chance Showers And Thunderstorms
|
79°F |
1 to 6 mph
SW
|
|
Thursday Night
Aug 27
|
Chance Showers And Thunderstorms
|
62°F |
3 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Old Washington.