Virtual Rain Gauge Map
Live data updated 8:30 PM CST
0.02" of rain expected in Portola Valley, CA in the next 24 hours
Peak hourly rain chance: 21%
- Peak rain chance
- 21% Next 24 hours
- Next 7 days
- 5.48" 6 wet days in forecast
- Benchmarked #1
- Wins 72 of 75 tests Beats Apple, Google & ECMWF →
- Next 60 minutes
- Minute-by-minute nowcast Pin your exact spot →
Forecast is for the center of Portola Valley, CA — open the free Precip app or pan the map below for your exact address.
Yes — rain is in the forecast for Portola Valley, CA. The Precip app forecasts 0.02" of rain over the next 24 hours (peak hourly probability: 21%) and 5.48" over the next 7 days.
Next 24 Hours Rain Forecast in Portola Valley, CA
3-hour forecast windows with expected rain accumulation and precipitation probability
10-Day Rainfall Forecast in Portola Valley, CA
Benchmarked #1 10-day forecast (winning 72 of 75 NOAA station tests vs. ECMWF & Google WeatherNext 3)
| Day | Expected Rain | Chance | High / Low |
|---|---|---|---|
| Sunday, Nov 15 | 0.08" | 54% | 59° / 51°F |
| Monday, Nov 16 | 0.88" | 79% | 57° / 47°F |
| Tuesday, Nov 17 | 0.00" | 5% | 56° / 43°F |
| Wednesday, Nov 18 | 2.65" | 87% | 54° / 47°F |
| Thursday, Nov 19 | 1.64" | 62% | 54° / 47°F |
| Friday, Nov 20 | 0.04" | 12% | 56° / 44°F |
| Saturday, Nov 21 | 0.19" | 13% | 56° / 47°F |
| Sunday, Nov 22 | 0.32" | 17% | 56° / 46°F |
| Monday, Nov 23 | 0.05" | 30% | 57° / 47°F |
| Tuesday, Nov 24 | 0.44" | 46% | 55° / 51°F |
Download Now
Track rainfall in Portola Valley, CA every day
Get hyper-local alerts, save unlimited locations, and unlock deeper history in the Precip app.
4.8 from over 10K ratings