Waterloo, OH Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Waterloo, OH in one place.
A chance of showers and thunderstorms before 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 85. Southwest wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Waterloo, 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: Jul 10, 2026 10:13 AM EDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for Waterloo, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 10:13 AM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Waterloo
Wednesday looks like the warmest upcoming period in Waterloo at 92 degrees F.
Saturday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Thursday at about 5 to 10 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 10:13 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- ILN
- Radar station
- KILN
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 9pm, then a chance of showers and thunderstorms between 9pm and 2am. Mostly cloudy, with a low around 69. Southwest wind 1 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of showers and thunderstorms between noon and 4pm. Mostly cloudy, with a high near 85. North wind 2 to 8 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly cloudy, with a low around 65. Northeast wind 6 to 9 mph. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 86. Northeast wind around 8 mph.
Partly cloudy, with a low around 66.
Sunny, with a high near 88.
Mostly clear, with a low around 68.
Sunny, with a high near 91.
Mostly clear, with a low around 72.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 92.
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 10
|
Chance Showers And Thunderstorms
|
85°F |
8 mph
SW
|
|
Tonight
Jul 10
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
69°F |
1 to 6 mph
SW
|
|
Saturday
Jul 11
|
Mostly Cloudy then Slight Chance Showers And Thunderstorms
|
85°F |
2 to 8 mph
N
|
|
Saturday Night
Jul 11
|
Mostly Cloudy
|
65°F |
6 to 9 mph
NE
|
|
Sunday
Jul 12
|
Mostly Sunny
|
86°F |
8 mph
NE
|
|
Sunday Night
Jul 12
|
Partly Cloudy
|
66°F |
3 to 8 mph
E
|
|
Monday
Jul 13
|
Sunny
|
88°F |
5 mph
E
|
|
Monday Night
Jul 13
|
Mostly Clear
|
68°F |
1 to 5 mph
E
|
|
Tuesday
Jul 14
|
Sunny
|
91°F |
1 to 5 mph
S
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
72°F |
6 mph
W
|
|
Wednesday
Jul 15
|
Sunny then Slight Chance Showers And Thunderstorms
|
92°F |
3 to 9 mph
W
|
|
Wednesday Night
Jul 15
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
73°F |
5 to 9 mph
W
|
|
Thursday
Jul 16
|
Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
5 to 10 mph
W
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
71°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Waterloo.