Westminster, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westminster, a community in Allen County, Ohio.
This Afternoon
82°F
Sunny
Sunny, with a high near 82. East wind around 0 mph.
7-day forecast for Westminster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Sunny | 0 mph | 0% |
| Tonight | 61°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 85°F | Sunny | 0 to 5 mph W | 0% |
| Wednesday Night | 64°F | Partly Cloudy | 0 to 5 mph SW | 1% |
| Thursday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 47% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph SW | 60% |
| Friday | 82°F | Showers And Thunderstorms Likely | 5 to 10 mph SW | 74% |
| Friday Night | 65°F | Showers And Thunderstorms Likely | 5 to 10 mph SW | 74% |
| Saturday | 84°F | Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 15 mph SW | 30% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 30% |
| Sunday | 84°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 15 mph SW | 25% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 to 15 mph SW | 48% |
| Monday | 86°F | Chance Rain Showers then Chance Showers And Thunderstorms | 10 to 15 mph SW | 48% |
| Monday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 15 mph SW | 63% |
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 Aug 4, 2026.