Oswayo, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oswayo, a borough in Allegany County, Pennsylvania.
Today
79°F
Patchy Fog then Sunny
Patchy fog before 10am. Sunny, with a high near 79. South wind 0 to 3 mph.
7-day forecast for Oswayo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Patchy Fog then Sunny | 0 to 3 mph S | 0% |
| Tonight | 58°F | Mostly Clear | 3 mph S | 0% |
| Wednesday | 80°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 mph S | 20% |
| Wednesday Night | 63°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 mph S | 46% |
| Thursday | 80°F | Showers And Thunderstorms | 6 mph SW | 84% |
| Thursday Night | 63°F | Showers And Thunderstorms | 1 to 5 mph SW | 84% |
| Friday | 79°F | Showers And Thunderstorms | 2 to 6 mph SW | 84% |
| Friday Night | 61°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph SW | 84% |
| Saturday | 79°F | Showers And Thunderstorms Likely | 2 to 6 mph SW | 56% |
| Saturday Night | 61°F | Showers And Thunderstorms Likely | 5 mph SW | 56% |
| Sunday | 81°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 8 mph SW | 22% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms | 7 mph SW | 22% |
| Monday | 80°F | Chance Showers And Thunderstorms | 7 to 10 mph W | 44% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 44% |
Forecast source: National Weather Service (api.weather.gov) for Oswayo (41.921, -78.021). Updated through the day.
Growing snapshot for Oswayo
Last spring frost
May 20
First fall frost
Sep 29
Growing season
130 days
Hardiness zone
5b
More local growing data for Oswayo: nearby ZIP 14708 weather · frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Oswayo 1 Ene, Pa (7.2 mi from Oswayo). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.