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 slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Southeast wind around 5 mph. Chance of precipitation is 30%.
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: May 24, 2026 1:53 PM EDT.
The active forecast window currently covers May 26 to May 30, 2026 for Waterloo, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 1:53 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Waterloo
Tuesday looks like the warmest upcoming period in Waterloo at 81 degrees F.
Friday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Friday at about 7 to 13 mph NE.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 1:53 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
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 80%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
A chance of rain showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 59.
Mostly sunny, with a high near 75.
Partly cloudy, with a low around 56.
Mostly sunny, with a high near 75.
A slight chance of rain showers between 8pm and 2am. Partly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Chance Showers And Thunderstorms
|
81°F |
5 mph
SE
|
|
Tuesday Night
May 26
|
Chance Showers And Thunderstorms
|
67°F |
3 mph
S
|
|
Wednesday
May 27
|
Showers And Thunderstorms
|
81°F |
3 mph
SW
|
|
Wednesday Night
May 27
|
Showers And Thunderstorms Likely
|
65°F |
3 mph
W
|
|
Thursday
May 28
|
Chance Rain Showers
|
81°F |
2 to 7 mph
N
|
|
Thursday Night
May 28
|
Slight Chance Rain Showers then Partly Cloudy
|
59°F |
8 mph
NE
|
|
Friday
May 29
|
Mostly Sunny
|
75°F |
7 to 13 mph
NE
|
|
Friday Night
May 29
|
Partly Cloudy
|
56°F |
8 to 13 mph
NE
|
|
Saturday
May 30
|
Mostly Sunny
|
75°F |
8 to 13 mph
NE
|
|
Saturday Night
May 30
|
Slight Chance Rain Showers
|
57°F |
6 to 12 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Waterloo.