Portage, OH Weather & Growing Conditions
Tonight
63°F
Mostly Cloudy then Chance Light Rain
A chance of rain after 5am. Mostly cloudy, with a low around 63. South wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Mostly Cloudy then Chance Light Rain | 14 to 17 mph S | 34% |
| Wednesday | 69°F | Light Rain | 21 mph S | 78% |
| Wednesday Night | 51°F | Light Rain Likely then Mostly Cloudy | 10 to 17 mph SW | 55% |
| Thursday | 63°F | Partly Sunny | 12 to 18 mph SW | 3% |
| Thursday Night | 48°F | Mostly Cloudy | 5 to 10 mph SW | 3% |
| Friday | 57°F | Chance Light Rain | 5 to 9 mph NW | 34% |
| Friday Night | 40°F | Chance Light Rain | 9 mph NW | 27% |
| Saturday | 53°F | Slight Chance Light Rain then Partly Sunny | 7 to 10 mph NW | 16% |
| Saturday Night | 35°F | Partly Cloudy | 6 mph W | 6% |
| Sunday | 56°F | Mostly Sunny then Slight Chance Light Rain | 5 to 14 mph W | 16% |
| Sunday Night | 36°F | Slight Chance Light Rain then Partly Cloudy | 7 to 10 mph W | 16% |
| Monday | 58°F | Mostly Sunny | 7 to 14 mph W | 13% |
| Monday Night | 39°F | Partly Cloudy | 13 mph SW | 12% |
| Tuesday | 62°F | Mostly Sunny | 10 to 15 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Portage, OH
Last spring frost
Apr 22
First fall frost
Oct 25
Growing season
186 days
Hardiness zone
6b
Explore more for Portage, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Bowling Green Wwtp, Oh (4.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.