Millvale, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Millvale, a borough in Allegheny County, Pennsylvania.
This Afternoon
80°F
Slight Chance Light Rain
A slight chance of rain before 4pm. Mostly cloudy. High near 80, with temperatures falling to around 74 in the afternoon. South wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
7-day forecast for Millvale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Slight Chance Light Rain | 7 to 13 mph S | 15% |
| Tonight | 61°F | Light Rain Likely | 10 mph S | 71% |
| Thursday | 69°F | Chance Light Rain then Mostly Sunny | 8 to 14 mph SW | 26% |
| Thursday Night | 48°F | Partly Cloudy | 3 to 7 mph SW | 0% |
| Friday | 62°F | Chance Light Rain | 3 to 10 mph W | 28% |
| Friday Night | 40°F | Chance Light Rain | 5 to 8 mph W | 28% |
| Saturday | 53°F | Chance Light Rain | 8 to 14 mph W | 29% |
| Saturday Night | 37°F | Chance Light Rain then Mostly Cloudy | 7 to 12 mph W | 29% |
| Sunday | 56°F | Partly Sunny | 7 to 14 mph W | 2% |
| Sunday Night | 36°F | Mostly Clear | 8 to 12 mph W | 2% |
| Monday | 58°F | Mostly Sunny | 8 to 15 mph W | 2% |
| Monday Night | 37°F | Mostly Clear | 9 mph SW | 2% |
| Tuesday | 62°F | Sunny | 9 to 14 mph SW | 0% |
| Tuesday Night | 37°F | Mostly Clear | 2 to 9 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Millvale (40.482, -79.974). Updated through the day.
Growing snapshot for Millvale
Last spring frost
Apr 24
First fall frost
Oct 27
Growing season
186 days
Hardiness zone
6b
More local growing data for Millvale: nearby ZIP 15209 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Emsworth L/D Ohio Rvr, Pa (6.3 mi from Millvale). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.