Westminster, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westminster, a community in Allen County, Ohio.
Today
66°F
Rain Showers
Rain showers. Cloudy, with a high near 66. South wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Westminster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Rain Showers | 15 to 25 mph S | 78% |
| Tonight | 50°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph SW | 43% |
| Thursday | 61°F | Partly Sunny | 10 to 20 mph SW | 5% |
| Thursday Night | 46°F | Mostly Cloudy | 5 to 10 mph SW | 14% |
| Friday | 54°F | Chance Rain Showers | 5 to 10 mph W | 48% |
| Friday Night | 37°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 48% |
| Saturday | 51°F | Partly Sunny | 10 mph NW | 6% |
| Saturday Night | 34°F | Partly Cloudy | 5 mph W | 4% |
| Sunday | 54°F | Sunny | 5 to 15 mph W | 4% |
| Sunday Night | 34°F | Mostly Clear | 5 to 10 mph W | 4% |
| Monday | 57°F | Sunny | 5 to 10 mph W | 3% |
| Monday Night | 39°F | Mostly Clear | 5 to 10 mph SW | 1% |
| Tuesday | 61°F | Sunny | 10 mph W | 1% |
| Tuesday Night | 37°F | Mostly Clear | 0 to 5 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Westminster (40.701, -83.975). Updated through the day.
Growing snapshot for Westminster
Last spring frost
Apr 22
First fall frost
Oct 22
Growing season
181 days
Hardiness zone
6a
More local growing data for Westminster: nearby ZIP 45850 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Beaverdam
Bluffton
Cairo
Cridersville
Delphos
Elida
Fort Shawnee
Gomer
Harrod
Lafayette
Lima
Spencerville
Climate data from the nearest NOAA station, Lima Allen Co Ap, Oh (5.7 mi from Westminster). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.