Latrobe, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Latrobe, a borough in Westmoreland County, Pennsylvania.
This Afternoon
77°F
Sunny
Sunny, with a high near 77. South wind around 5 mph.
7-day forecast for Latrobe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Sunny | 5 mph S | 1% |
| Tonight | 50°F | Mostly Clear | 5 mph SE | 2% |
| Wednesday | 78°F | Partly Sunny | 2 to 9 mph SE | 3% |
| Wednesday Night | 61°F | Light Rain | 6 to 10 mph S | 99% |
| Thursday | 71°F | Light Rain Likely | 8 to 15 mph SW | 57% |
| Thursday Night | 50°F | Mostly Cloudy | 0 to 6 mph SW | 14% |
| Friday | 66°F | Partly Sunny then Slight Chance Light Rain | 0 to 7 mph W | 19% |
| Friday Night | 43°F | Chance Light Rain | 0 to 5 mph NW | 36% |
| Saturday | 55°F | Chance Light Rain | 5 to 15 mph W | 36% |
| Saturday Night | 36°F | Chance Light Rain | 2 to 10 mph W | 29% |
| Sunday | 56°F | Slight Chance Light Rain | 3 to 14 mph SW | 17% |
| Sunday Night | 34°F | Chance Light Rain | 9 to 13 mph SW | 26% |
| Monday | 56°F | Chance Light Rain | 13 to 21 mph W | 34% |
| Monday Night | 35°F | Chance Light Rain | 12 to 18 mph SW | 34% |
Forecast source: National Weather Service (api.weather.gov) for Latrobe (40.312, -79.383). Updated through the day.
Growing snapshot for Latrobe
Last spring frost
May 1
First fall frost
Oct 13
Growing season
164 days
Hardiness zone
6b
More local growing data for Latrobe: nearby ZIP 15661 weather · frost dates · planting calendar · Pennsylvania frost dates
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Level Green
Climate data from the nearest NOAA station, Mt Pleasant, Pa (10.4 mi from Latrobe). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.