Harman US

Mexico, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Mexico, a community in Juniata County, Pennsylvania.

Today
84°F
Sunny
Sunny, with a high near 84. East wind around 1 mph.

7-day forecast for Mexico

WhenTempForecastWindPrecip
Today 84°F Sunny 1 mph E 0%
Tonight 65°F Mostly Cloudy then Patchy Fog 1 mph E 6%
Wednesday 81°F Chance Rain Showers then Mostly Cloudy 2 mph E 28%
Wednesday Night 70°F Chance Showers And Thunderstorms then Patchy Fog 1 mph NE 49%
Thursday 86°F Patchy Fog then Showers And Thunderstorms 0 to 3 mph SW 75%
Thursday Night 71°F Showers And Thunderstorms then Chance Showers And Thunderstorms 2 mph NW 75%
Friday 86°F Showers And Thunderstorms Likely 2 mph W 67%
Friday Night 68°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 1 mph NW 67%
Saturday 85°F Mostly Cloudy then Showers And Thunderstorms Likely 0 to 3 mph W 55%
Saturday Night 67°F Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms 1 mph NW 55%
Sunday 87°F Mostly Sunny 0 to 3 mph W 12%
Sunday Night 69°F Partly Cloudy 2 mph W 12%
Monday 88°F Mostly Sunny then Slight Chance Showers And Thunderstorms 1 to 7 mph W 22%
Monday Night 68°F Slight Chance Showers And Thunderstorms 1 to 6 mph W 22%

Forecast source: National Weather Service (api.weather.gov) for Mexico (40.542, -77.358). Updated through the day.

Growing snapshot for Mexico

Last spring frost
Apr 21
First fall frost
Oct 24
Growing season
185 days
Hardiness zone
7a

More local growing data for Mexico: nearby ZIP 17056 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, Lewistown, Pa (11.8 mi from Mexico). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.