Harman US

Cairo, OH Weather & Growing Conditions

Overnight
62°F
Chance Rain Showers
A chance of rain showers after 3am. Mostly cloudy, with a low around 62. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 62°F Chance Rain Showers 15 to 20 mph S 48%
Wednesday 68°F Rain Showers 15 to 20 mph S 80%
Wednesday Night 51°F Chance Rain Showers then Mostly Cloudy 10 to 15 mph SW 46%
Thursday 61°F Mostly Cloudy 10 to 15 mph SW 5%
Thursday Night 46°F Mostly Cloudy then Slight Chance Rain Showers 5 to 10 mph SW 16%
Friday 55°F Chance Rain Showers 5 to 10 mph W 45%
Friday Night 37°F Chance Rain Showers then Mostly Cloudy 10 mph NW 44%
Saturday 52°F Partly Sunny 10 mph NW 6%
Saturday Night 34°F Partly Cloudy 5 mph W 3%
Sunday 55°F Sunny then Slight Chance Rain Showers 5 to 15 mph W 4%
Sunday Night 34°F Slight Chance Rain Showers then Mostly Clear 5 to 10 mph W 4%
Monday 58°F Slight Chance Rain Showers 5 to 10 mph SW 2%
Monday Night 39°F Mostly Clear 5 to 10 mph SW 1%
Tuesday 61°F Sunny 10 mph W 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Cairo, OH

Last spring frost
Apr 24
First fall frost
Oct 24
Growing season
182 days

Explore more for Cairo, OH: full frost dates · planting calendar · Ohio frost dates

Climate data from the nearest NOAA station, Lima Wwtp, Oh (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.