Mars, PA Weather & Growing Conditions
This Afternoon
76°F
Mostly Sunny
Mostly sunny, with a high near 76. North wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Mostly Sunny | 7 mph N | 10% |
| Tonight | 56°F | Partly Cloudy | 7 mph NE | 10% |
| Saturday | 78°F | Partly Sunny | 7 mph E | 7% |
| Saturday Night | 63°F | Mostly Cloudy then Showers And Thunderstorms Likely | 6 mph SE | 68% |
| Sunday | 77°F | Showers And Thunderstorms | 8 mph SW | 94% |
| Sunday Night | 57°F | Showers And Thunderstorms | 9 mph N | 94% |
| Monday | 68°F | Chance Rain Showers | 12 mph NE | 30% |
| Monday Night | 55°F | Showers And Thunderstorms Likely | 10 to 14 mph E | 55% |
| Tuesday | 65°F | Showers And Thunderstorms Likely | 14 mph E | 65% |
| Tuesday Night | 53°F | Showers And Thunderstorms Likely | 16 mph E | 64% |
| Wednesday | 63°F | Showers And Thunderstorms Likely | 15 mph E | 64% |
| Wednesday Night | 52°F | Chance Showers And Thunderstorms | 10 to 15 mph E | 51% |
| Thursday | 65°F | Chance Rain Showers | 8 to 12 mph E | 41% |
| Thursday Night | 51°F | Slight Chance Rain Showers | 5 to 8 mph NE | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mars, PA
Last spring frost
May 7
First fall frost
Oct 14
Growing season
159 days
Hardiness zone
6b
Explore more for Mars, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Butler 2 Sw, Pa (11.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.