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Menlo Park, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Menlo Park, a city in Santa Clara County, California.

This Afternoon
66°F
Chance Light Rain
A chance of rain. Partly sunny. High near 66, with temperatures falling to around 62 in the afternoon. South southwest wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Menlo Park

WhenTempForecastWindPrecip
This Afternoon 66°F Chance Light Rain 5 to 8 mph SSW 51%
Tonight 50°F Chance Light Rain then Mostly Cloudy 6 mph ESE 37%
Wednesday 67°F Sunny 2 to 12 mph N 2%
Wednesday Night 50°F Mostly Cloudy then Patchy Fog 2 to 12 mph NW 0%
Thursday 70°F Patchy Fog then Mostly Sunny 2 to 7 mph NNW 0%
Thursday Night 49°F Mostly Clear then Patchy Fog 2 to 7 mph WSW 0%
Friday 72°F Patchy Fog then Sunny 2 to 7 mph NNE 0%
Friday Night 52°F Clear 1 to 7 mph SE 0%
Saturday 74°F Sunny 1 to 6 mph NE 0%
Saturday Night 52°F Mostly Clear 1 to 6 mph WNW 0%
Sunday 73°F Mostly Sunny 1 to 7 mph NNW 0%
Sunday Night 53°F Partly Cloudy 1 to 7 mph W 0%
Monday 71°F Partly Sunny 1 to 9 mph W 1%
Monday Night 52°F Mostly Cloudy 1 to 9 mph W 1%

Forecast source: National Weather Service (api.weather.gov) for Menlo Park (37.480, -122.148). Updated through the day.

Growing snapshot for Menlo Park

Last spring frost
Feb 1
First fall frost
Dec 7
Growing season
310 days
Hardiness zone
9b

More local growing data for Menlo Park: nearby ZIP 94301 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Palo Alto, Ca (0.5 mi from Menlo Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.