Ottawa, OH Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Ottawa, OH in one place.
A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Ottawa, 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: Apr 9, 2026 8:08 PM EDT.
The active forecast window currently covers Apr 14 to Apr 16, 2026 for Ottawa, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 14 to Apr 16, 2026
- Latest sync
- Apr 9, 2026 8:08 PM EDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Ottawa
Tuesday looks like the warmest upcoming period in Ottawa at 83 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Wednesday at about 15 to 25 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 8:08 PM EDT
- Coverage
- 3 days
- Time zone
- America/New_York
- Forecast office
- IWX
- Radar station
- KIWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms
|
83°F |
15 to 20 mph
SW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms Likely
|
65°F |
15 mph
SW
|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
80°F |
15 to 25 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
56°F |
10 to 20 mph
SW
|
|
Thursday
Apr 16
|
Chance Rain Showers
|
76°F |
10 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Ottawa.