Waterloo, OH Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Waterloo, OH in one place.
Sunny, with a high near 66. Northeast wind around 7 mph.
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: Apr 9, 2026 5:22 PM EDT.
The active forecast window currently covers Apr 11 to Apr 15, 2026 for Waterloo, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 5:22 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Waterloo
Tuesday looks like the warmest upcoming period in Waterloo at 84 degrees F.
Saturday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Monday at about 15 to 21 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 5:22 PM EDT
- Coverage
- 5 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
Partly cloudy, with a low around 48.
Partly sunny, with a high near 81.
Mostly cloudy, with a low around 64.
A chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Sunny
|
66°F |
7 mph
NE
|
|
Saturday Night
Apr 11
|
Partly Cloudy
|
48°F |
6 mph
E
|
|
Sunday
Apr 12
|
Partly Sunny
|
81°F |
6 to 15 mph
S
|
|
Sunday Night
Apr 12
|
Mostly Cloudy
|
64°F |
12 to 15 mph
SW
|
|
Monday
Apr 13
|
Chance Rain Showers
|
78°F |
15 to 21 mph
SW
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
64°F |
10 to 16 mph
SW
|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms
|
84°F |
12 to 18 mph
SW
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms
|
65°F |
10 to 15 mph
SW
|
|
Wednesday
Apr 15
|
Chance Rain Showers
|
83°F |
12 to 18 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
60°F |
9 to 16 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Waterloo.