Calumet, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Calumet, a community in Westmoreland County, Pennsylvania.
Overnight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. Northeast wind around 3 mph.
7-day forecast for Calumet
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Partly Cloudy | 3 mph NE | 5% |
| Saturday | 79°F | Partly Sunny | 6 mph E | 3% |
| Saturday Night | 65°F | Partly Cloudy then Chance Showers And Thunderstorms | 6 to 12 mph SE | 51% |
| Sunday | 78°F | Showers And Thunderstorms | 6 to 12 mph SW | 95% |
| Sunday Night | 61°F | Showers And Thunderstorms | 8 mph N | 95% |
| Monday | 71°F | Chance Rain Showers | 8 to 12 mph NE | 44% |
| Monday Night | 58°F | Showers And Thunderstorms Likely | 14 mph E | 69% |
| Tuesday | 66°F | Showers And Thunderstorms Likely | 14 to 18 mph E | 74% |
| Tuesday Night | 54°F | Showers And Thunderstorms Likely | 17 to 21 mph E | 70% |
| Wednesday | 64°F | Showers And Thunderstorms Likely | 18 mph E | 65% |
| Wednesday Night | 53°F | Chance Showers And Thunderstorms | 12 to 18 mph E | 52% |
| Thursday | 66°F | Chance Rain Showers | 10 mph E | 45% |
| Thursday Night | 53°F | Chance Rain Showers | 3 to 9 mph NE | 27% |
| Friday | 70°F | Slight Chance Rain Showers | 3 to 9 mph N | 23% |
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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Harrison City
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Hostetter
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Hyde Park
Industry
Irwin
Jeannette
Kiskimere
Latrobe
Laurel Mountain
Lawson Heights
Leechburg
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 Sep 19, 2026.