Calumet, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Calumet, a community in Westmoreland County, Pennsylvania.
Tonight
52°F
Clear
Clear, with a low around 52. South wind around 2 mph.
7-day forecast for Calumet
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Clear | 2 mph S | 2% |
| Wednesday | 79°F | Partly Sunny | 2 to 8 mph S | 4% |
| Wednesday Night | 61°F | Light Rain | 10 mph S | 100% |
| Thursday | 71°F | Light Rain Likely | 8 to 14 mph SW | 59% |
| Thursday Night | 50°F | Mostly Cloudy then Slight Chance Light Rain | 0 to 7 mph SW | 15% |
| Friday | 66°F | Slight Chance Light Rain | 0 to 7 mph W | 20% |
| Friday Night | 44°F | Chance Light Rain | 1 to 5 mph NW | 37% |
| Saturday | 56°F | Chance Light Rain | 5 to 13 mph W | 35% |
| Saturday Night | 36°F | Chance Light Rain | 2 to 9 mph W | 31% |
| Sunday | 56°F | Slight Chance Light Rain | 3 to 13 mph SW | 17% |
| Sunday Night | 34°F | Chance Light Rain | 12 mph SW | 26% |
| Monday | 56°F | Chance Light Rain | 12 to 18 mph W | 36% |
| Monday Night | 35°F | Chance Light Rain | 9 to 15 mph SW | 36% |
| Tuesday | 59°F | Mostly Sunny | 16 to 23 mph SW | 14% |
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
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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 Nov 4, 2026.