Clarendon, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clarendon, a borough in Warren County, Pennsylvania.
Today
83°F
Sunny
Sunny, with a high near 83. South wind around 2 mph.
7-day forecast for Clarendon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 2 mph S | 0% |
| Tonight | 57°F | Mostly Clear | 2 mph SE | 0% |
| Wednesday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph S | 36% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms then Patchy Fog | 3 mph S | 57% |
| Thursday | 83°F | Patchy Fog | 1 to 5 mph SW | 81% |
| Thursday Night | 66°F | Showers And Thunderstorms | 2 mph SW | 81% |
| Friday | 81°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms | 1 to 5 mph SW | 84% |
| Friday Night | 63°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 mph SW | 84% |
| Saturday | 83°F | Showers And Thunderstorms Likely | 1 to 5 mph SW | 61% |
| Saturday Night | 63°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 3 mph SW | 61% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 1 to 6 mph SW | 25% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 5 mph SW | 31% |
| Monday | 84°F | Chance Rain Showers | 3 to 7 mph SW | 50% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 1 to 6 mph W | 50% |
Forecast source: National Weather Service (api.weather.gov) for Clarendon (41.781, -79.094). Updated through the day.
Growing snapshot for Clarendon
Last spring frost
May 4
First fall frost
Oct 21
Growing season
168 days
Hardiness zone
5b
More local growing data for Clarendon: nearby ZIP 16352 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Warren, Pa (8.1 mi from Clarendon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.