Ulster, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ulster, a community in Bradford County, Pennsylvania.
Today
85°F
Areas Of Fog then Sunny
Areas of fog before 9am. Sunny, with a high near 85. Southeast wind around 2 mph.
7-day forecast for Ulster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Areas Of Fog then Sunny | 2 mph SE | 0% |
| Tonight | 60°F | Partly Cloudy | 1 mph SE | 0% |
| Wednesday | 85°F | Patchy Fog then Partly Sunny | 0 to 6 mph S | 4% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 1 to 5 mph S | 25% |
| Thursday | 87°F | Showers And Thunderstorms | 1 to 6 mph S | 82% |
| Thursday Night | 68°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph SW | 82% |
| Friday | 87°F | Showers And Thunderstorms | 0 to 5 mph SW | 78% |
| Friday Night | 66°F | Showers And Thunderstorms | 2 mph SW | 78% |
| Saturday | 86°F | Showers And Thunderstorms Likely | 0 to 6 mph W | 67% |
| Saturday Night | 65°F | Showers And Thunderstorms Likely | 3 mph SW | 67% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph SW | 19% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 19% |
| Monday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph W | 40% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 2 to 7 mph W | 40% |
Forecast source: National Weather Service (api.weather.gov) for Ulster (41.849, -76.507). Updated through the day.
Growing snapshot for Ulster
Last spring frost
May 2
First fall frost
Oct 15
Growing season
165 days
Hardiness zone
6a
More local growing data for Ulster: nearby ZIP 18850 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Towanda 1 S, Pa (8.5 mi from Ulster). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.