Local weather forecast

Weather in Waterloo, OH

Updated 2026-08-11 11:15 local time · ZIP codes 45688

Partly Cloudy
Now82°F

Partly Cloudy

High / Low93° / 70°
Rain chance74%
Wind7 mph
Weather alerts

Active alerts

1
Flood Watch issued August 11 at 3:35AM EDT until August 14 at 8:00AM EDT by NWS Charleston WV

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northeast Kentucky, including the following counties, Boyd, Carter, Greenup and Lawrence, southeast Ohio, including the following counties, Athens, Gallia, Jackson OH, Lawrence OH, Meigs, Morgan, Perry, Vinton and Washington, southwest Virginia, including the following counties, Buchanan and Dickenson, and West Virginia, including the following counties, Barbour, Boone, Braxton, Cabell, Calhoun, Clay, Doddridge, Gilmer, Harrison, Jackson WV, Kanawha, Lewis, Lincoln, Logan, Mason, McDowell, Mingo, Northwest Fayette, Northwest Nicholas, Northwest Pocahontas, Northwest Raleigh, Northwest Randolph, Northwest Webster, Pleasants, Putnam, Ritchie, Roane, Southeast Fayette, Southeast Nicholas, Southeast Pocahontas, Southeast Raleigh, Southeast Randolph, Southeast Webster, Taylor, Tyler, Upshur, Wayne, Wirt, Wood and Wyoming. * WHEN...Through Friday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Rounds of thunderstorms will track through the area, bringing the potential for heavy downpours and training storms, which may cause flooding. - http://www.weather.gov/safety/flood

Safety instructions

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. Additional information can be found at https://www.weather.gov/rlx as well as on our X and Facebook pages.

Hourly

Next hours

NowPartly Cloudy82°12% rain
12 PMPartly Cloudy85°10% rain
1 PMPatchy rain nearby85°37% rain
2 PMSunny90°5% rain
3 PMSunny91°4% rain
4 PMSunny93°3% rain
5 PMSunny93°2% rain
6 PMSunny91°2% rain
7 PMSunny87°2% rain
8 PMHeavy rain at times70°91% rain
9 PMPatchy rain nearby70°87% rain
10 PMClear71°11% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
93° 70°Sunny
Rain 74%Gust 20 mph
Tomorrow2026-08-12
Patchy rain nearby
92° 66°Patchy rain nearby
Rain 86%Gust 15 mph
Thursday2026-08-13
Fog
85° 65°Fog
Rain 83%Gust 7 mph
Conditions

Weather details

Feels like87°F
Humidity74%
Pressure30.02 inHg
Visibility6 mi
Wind7 mph WSW
Wind gusts12 mph
Precipitation0.00 in
UV index0
Daylight

Sunrise, sunset and moon

Sunrise06:40 AM
Sunset08:30 PM
Moonrise04:42 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 91% over the next 12 hours.

Choose light, breathable clothing

It feels like 87°F with winds near 7 mph.

Best window: 7 PM

87°F, 2% rain chance and 2 mph wind.

Use extra caution while driving

Visibility is around 6 mi; gusts may reach 24 mph.

Running conditions are less comfortable

Current temperature is 82°F, wind 7 mph, rain chance up to 91%.

Low UV protection needs

UV index is 0.

Waterloo weather today

Partly Cloudy and 82°F in Waterloo, OH. Today's high is 93°F with a 74% rain chance. Winds are around 7 mph with gusts near 12 mph. Relative humidity is 74%, pressure is 30.02 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Waterloo

Sunrise is at 06:40 AM and sunset is at 08:30 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 92°F and a low near 66°F. The maximum rain chance is 86%.

Nearby

Weather near Waterloo

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