Calumet, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Calumet, a community in Westmoreland County, Pennsylvania.
Today
86°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 86. East wind 0 to 3 mph.
7-day forecast for Calumet
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Patchy Fog then Sunny | 0 to 3 mph E | 0% |
| Tonight | 67°F | Partly Cloudy | 2 to 7 mph SE | 1% |
| Wednesday | 86°F | Partly Sunny then Scattered Showers And Thunderstorms | 5 mph SE | 26% |
| Wednesday Night | 68°F | Scattered Showers And Thunderstorms | 5 mph S | 42% |
| Thursday | 85°F | Showers And Thunderstorms | 3 to 8 mph SW | 79% |
| Thursday Night | 68°F | Showers And Thunderstorms | 2 to 7 mph SW | 79% |
| Friday | 84°F | Showers And Thunderstorms | 5 to 8 mph SW | 82% |
| Friday Night | 66°F | Showers And Thunderstorms | 6 mph SW | 82% |
| Saturday | 83°F | Showers And Thunderstorms Likely | 6 to 9 mph SW | 56% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 7 mph SW | 56% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 6 to 10 mph SW | 25% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 6 to 9 mph SW | 25% |
| Monday | 86°F | Chance Showers And Thunderstorms | 10 to 14 mph SW | 43% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 6 to 10 mph SW | 51% |
Forecast source: National Weather Service (api.weather.gov) for Calumet (40.219, -79.489). Updated through the day.
Growing snapshot for Calumet
Last spring frost
May 1
First fall frost
Oct 13
Growing season
164 days
Hardiness zone
6b
More local growing data for Calumet: nearby ZIP 15689 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
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Level Green
Climate data from the nearest NOAA station, Mt Pleasant, Pa (0.8 mi from Calumet). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.