10-day forecast · Portola Valley
Day-by-day outlook up to 14 days: highs, lows, precipitation totals, wind and UV. Planning further ahead? Open the 30-day outlook →
Thu · Today
Sunny
21°
13°
0.10 in
⌄
Wind 11 mph W
Gusts 15 mph
UV index 8 – High
Precip chance 68% · 0.10 in
Sunrise 6:41 AM
Sunset 7:35 PM
Fri · Tomorrow
Sunny
21°
13°
0.14 in
⌄
Wind 12 mph W
Gusts 20 mph
UV index 8 – High
Precip chance 57% · 0.14 in
Sunrise 6:41 AM
Sunset 7:33 PM
Saturday 5/9
Sunny
21°
13°
7%
⌄
Wind 12 mph W
Gusts 21 mph
UV index 8 – High
Precip chance 7%
Sunrise 6:42 AM
Sunset 7:32 PM
Sunday 6/9
Sunny
20°
13°
8%
⌄
Wind 11 mph W
Gusts 18 mph
UV index 7 – High
Precip chance 8%
Sunrise 6:43 AM
Sunset 7:30 PM
Monday 7/9
Sunny
22°
13°
8%
⌄
Wind 9 mph NW
Gusts 19 mph
UV index 6 – High
Precip chance 8%
Sunrise 6:44 AM
Sunset 7:29 PM
Tuesday 8/9
Sunny
21°
13°
11%
⌄
Wind 11 mph W
Gusts 12 mph
UV index 6 – High
Precip chance 11%
Sunrise 6:45 AM
Sunset 7:27 PM
Wednesday 9/9
Mostly cloudy
18°
13°
19%
⌄
Wind 5 mph SE
Gusts 16 mph
UV index 4 – Moderate
Precip chance 19%
Sunrise 6:46 AM
Sunset 7:26 PM
Thursday 10/9
Mostly cloudy
20°
17°
0.25 in
⌄
Wind 5 mph N
Gusts 8 mph
UV index 4 – Moderate
Precip chance 80% · 0.25 in
Sunrise 6:46 AM
Sunset 7:24 PM
Friday 11/9
Showers
16°
15°
0.24 in
⌄
Wind 15 mph S
Gusts 29 mph
UV index 4 – Moderate
Precip chance 89% · 0.24 in
Sunrise 6:47 AM
Sunset 7:23 PM
Saturday 12/9
Sunny
20°
14°
16%
⌄
Wind 12 mph W
Gusts 15 mph
UV index 5 – Moderate
Precip chance 16%
Sunrise 6:48 AM
Sunset 7:21 PM
Sunday 13/9
Sunny
21°
13°
7%
⌄
Wind 8 mph NW
Gusts 17 mph
UV index 6 – High
Precip chance 7%
Sunrise 6:49 AM
Sunset 7:20 PM
Monday 14/9
Sunny
24°
14°
3%
⌄
Wind 7 mph W
Gusts 17 mph
UV index 6 – High
Precip chance 3%
Sunrise 6:50 AM
Sunset 7:18 PM
Tuesday 15/9
Sunny
25°
17°
3%
⌄
Wind 7 mph W
Gusts 16 mph
UV index 6 – High
Precip chance 3%
Sunrise 6:51 AM
Sunset 7:17 PM
Wednesday 16/9
Sunny
29°
17°
2%
⌄
Wind 8 mph NW
Gusts 16 mph
UV index 7 – High
Precip chance 2%
Sunrise 6:51 AM
Sunset 7:15 PM
10-day outlook for Portola Valley
Over the next ten days Portola Valley peaks at 22° on Monday and bottoms out at 13° on Monday. Day-to-day swings stay modest — no big pattern change inside the period. Add it up and about 0.73 in of precipitation falls over the period, spread across 4 unsettled days, with Friday the most likely (89%).