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 74. Southeast wind 0 to 3 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: Oct 8, 2026 2:12 PM EDT.
The active forecast window currently covers Oct 9 to Oct 14, 2026 for Waterloo, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 9 to Oct 14, 2026
- Latest sync
- Oct 8, 2026 2:12 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Waterloo
Saturday looks like the warmest upcoming period in Waterloo at 77 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 16 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 8, 2026 2:12 PM EDT
- Coverage
- 6 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
Mostly clear, with a low around 53. Southeast wind 3 to 7 mph.
Partly sunny, with a high near 77. Southeast wind 6 to 9 mph.
Rain showers after 8pm. Cloudy, with a low around 59. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Rain showers before 8am, then showers and thunderstorms. Cloudy, with a high near 67. Chance of precipitation is 100%.
Showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 80%.
A slight chance of rain showers before 8am. Partly sunny, with a high near 75.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 58.
A chance of rain showers. Mostly sunny, with a high near 73. Chance of precipitation is 30%.
A slight chance of rain showers before 2am. Partly cloudy, with a low around 47.
Mostly sunny, with a high near 65.
Mostly clear, with a low around 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 9
|
Sunny
|
74°F |
0 to 3 mph
SE
|
|
Friday Night
Oct 9
|
Mostly Clear
|
53°F |
3 to 7 mph
SE
|
|
Saturday
Oct 10
|
Partly Sunny
|
77°F |
6 to 9 mph
SE
|
|
Saturday Night
Oct 10
|
Rain Showers
|
59°F |
9 to 15 mph
SE
|
|
Sunday
Oct 11
|
Showers And Thunderstorms
|
67°F |
12 to 15 mph
SE
|
|
Sunday Night
Oct 11
|
Showers And Thunderstorms
|
60°F |
6 to 10 mph
S
|
|
Columbus Day
Oct 12
|
Slight Chance Rain Showers then Partly Sunny
|
75°F |
5 to 9 mph
W
|
|
Monday Night
Oct 12
|
Partly Cloudy then Slight Chance Rain Showers
|
58°F |
6 to 10 mph
SW
|
|
Tuesday
Oct 13
|
Chance Rain Showers
|
73°F |
10 to 16 mph
W
|
|
Tuesday Night
Oct 13
|
Slight Chance Rain Showers
|
47°F |
8 to 14 mph
NW
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
65°F |
6 to 9 mph
NW
|
|
Wednesday Night
Oct 14
|
Mostly Clear
|
44°F |
3 to 8 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Waterloo.