Siglerville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Siglerville, a community in Mifflin County, Pennsylvania.
This Afternoon
73°F
Slight Chance Rain Showers
A slight chance of rain showers. Partly sunny, with a high near 73. Southeast wind around 2 mph. Chance of precipitation is 20%.
7-day forecast for Siglerville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Slight Chance Rain Showers | 2 mph SE | 15% |
| Tonight | 61°F | Rain Showers | 1 to 5 mph SE | 75% |
| Sunday | 76°F | Rain Showers | 5 mph SW | 99% |
| Sunday Night | 52°F | Showers And Thunderstorms Likely then Mostly Cloudy | 2 to 6 mph N | 70% |
| Monday | 70°F | Partly Sunny then Chance Rain Showers | 6 mph NE | 27% |
| Monday Night | 50°F | Rain Showers Likely | 6 mph NE | 60% |
| Tuesday | 62°F | Rain Showers Likely | 6 mph E | 60% |
| Tuesday Night | 48°F | Chance Rain Showers | 5 to 8 mph E | 53% |
| Wednesday | 60°F | Chance Rain Showers | 8 mph E | 43% |
| Wednesday Night | 48°F | Slight Chance Rain Showers | 7 mph E | 23% |
| Thursday | 62°F | Slight Chance Rain Showers | 3 to 7 mph E | 19% |
| Thursday Night | 47°F | Slight Chance Rain Showers | 3 mph NE | 24% |
| Friday | 67°F | Chance Rain Showers | 2 to 6 mph N | 25% |
| Friday Night | 48°F | Chance Rain Showers | 6 mph N | 25% |
Forecast source: National Weather Service (api.weather.gov) for Siglerville (40.737, -77.532). Updated through the day.
Growing snapshot for Siglerville
Last spring frost
May 5
First fall frost
Oct 6
Growing season
153 days
Hardiness zone
6b
More local growing data for Siglerville: nearby ZIP 17063 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Millheim, Pa (8.6 mi from Siglerville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.