Cities / United States / California

25°

☀️ Portola Valley weather

Clear sky. .

Feels like 23° Wind 18 km/h W Humidity 40% Pressure 1014 hPa UV 0 Air Good ☀ 06:37 - 19:42

Right now it is 25° in Portola Valley with clear skies and today's high is 28° with an overnight low of 14°. The sun rises at 06:37 and sets at 19:42, giving 13h 05m of daylight. Over the coming week highs range from 21° to 25°.

Portola Valley is in California, United States, sitting 140 m above sea level, with a population of about 5,000. Local time is America/Los_Angeles (UTC−7), and every time on this page is shown in it.

Next 24 hours - temperature

12° 19° 26° 25° 12° 16:00 · 25.1° · 0 mm 17:00 · 22.9° · 0 mm 18:00 · 21.2° · 0 mm 19:00 · 19.4° · 0 mm 20:00 · 17.6° · 0 mm 21:00 · 16.3° · 0 mm 22:00 · 15.8° · 0 mm 23:00 · 15.5° · 0 mm 00:00 · 15.4° · 0 mm 01:00 · 14.7° · 0 mm 02:00 · 14.1° · 0 mm 03:00 · 13.4° · 0 mm 04:00 · 13° · 0 mm 05:00 · 12.8° · 0 mm 06:00 · 12.5° · 0 mm 07:00 · 12.2° · 0 mm 08:00 · 13.9° · 0 mm 09:00 · 15.1° · 0 mm 10:00 · 16.5° · 0 mm 11:00 · 17.9° · 0 mm 12:00 · 19.4° · 0 mm 13:00 · 20.6° · 0 mm 14:00 · 21° · 0 mm 15:00 · 20.5° · 0 mm

Precipitation

16:00 · 0 mm 16:00 17:00 · 0 mm 18:00 · 0 mm 19:00 · 0 mm 19:00 20:00 · 0 mm 21:00 · 0 mm 22:00 · 0 mm 22:00 23:00 · 0 mm 00:00 · 0 mm 01:00 · 0 mm 01:00 02:00 · 0 mm 03:00 · 0 mm 04:00 · 0 mm 04:00 05:00 · 0 mm 06:00 · 0 mm 07:00 · 0 mm 07:00 08:00 · 0 mm 09:00 · 0 mm 10:00 · 0 mm 10:00 11:00 · 0 mm 12:00 · 0 mm 13:00 · 0 mm 13:00 14:00 · 0 mm 15:00 · 0 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
16:00 ☀️ 25.1° 22° - Clear sky
17:00 ☀️ 22.9° 18.9° - Clear sky
18:00 ☀️ 21.2° 16.4° - Clear sky
19:00 ☀️ 19.4° 14.8° - Clear sky
20:00 ☀️ 17.6° 14.1° - Clear sky
21:00 ☀️ 16.3° 12.3° - Clear sky
22:00 ☀️ 15.8° 11.7° - Clear sky
23:00 ☀️ 15.5° 11.7° - Clear sky
00:00 ☀️ 15.4° 11.9° - Clear sky
01:00 ☀️ 14.7° 11.4° - Clear sky
02:00 ☀️ 14.1° 11.1° - Clear sky
03:00 ☀️ 13.4° 10.4° - Clear sky

Next 16 days

Today☀️ 28°14° Sun 30☀️ 21°12° Mon 31☀️ 24°11° Tue 1☀️ 23°10° Wed 2☀️ 24°10° Thu 3☀️ 25°12° Fri 4☀️ 25°11° Sat 5☀️ 24°10° Sun 6☁️ 20°10° Mon 7☁️ 29°17° Tue 8☁️ 33°18° Wed 9☀️ 27°13° Thu 10☀️ 24°12° Fri 11☀️ 29°10° Sat 12☀️ 27°8° Sun 13☀️ 29°9°
☀️ TodayAugust 29th Avg 20° Low 14° at 07:00 High 28° at 14:00 Wind ~21 km/h
Clear Clear
00:00 16°
02:00 18°
04:00 19°
06:00 14°
08:00 16°
10:00 22°
12:00 26°
14:00 28°
16:00 25°
18:00 21°
20:00 18°
22:00 16°
☀️ SundayAugust 30th Avg 16° Low 12° at 07:00 High 21° at 14:00 Feels 17° Wind ~30 km/h
Clear
00:00 15°
02:00 14°
04:00 13°
06:00 13°
08:00 14°
10:00 17°
12:00 19°
14:00 21°
16:00 19°
18:00 17°
20:00 15°
22:00 14°
☀️ MondayAugust 31st Avg 15° Low 11° at 23:00 High 24° at 13:00 Feels 21° Wind ~22 km/h
Clear Clear Clear
00:00 13°
02:00 12°
04:00 12°
06:00 12°
08:00 13°
10:00 18°
12:00 23°
14:00 23°
16:00 21°
18:00 17°
20:00 12°
22:00 11°
☀️ TuesdaySeptember 1st Avg 16° Low 10° at 23:00 High 23° at 12:00 Feels 21° Wind ~16 km/h
Clear Cloudy Clear
00:00 11°
02:00 11°
04:00 11°
06:00 12°
08:00 16°
10:00 20°
12:00 23°
14:00 23°
16:00 21°
18:00 18°
20:00 12°
22:00 11°
☀️ WednesdaySeptember 2nd Avg 16° Low 10° at 06:00 High 24° at 15:00 Feels 21° Wind ~14 km/h
Clear Clear
00:00 10°
02:00 10°
04:00 10°
06:00 10°
08:00 14°
10:00 20°
12:00 22°
14:00 24°
16:00 24°
18:00 20°
20:00 13°
22:00 12°
☀️ ThursdaySeptember 3rd Avg 17° Low 12° at 00:00 High 25° at 14:00 Feels 22° Wind ~15 km/h
Clear
00:00 12°
02:00 12°
04:00 12°
06:00 12°
08:00 15°
10:00 20°
12:00 24°
14:00 25°
16:00 23°
18:00 19°
20:00 14°
22:00 14°
☀️ FridaySeptember 4th Avg 17° Low 11° at 23:00 High 25° at 14:00 Feels 22° Wind ~14 km/h
Partly Cloudy Clear
00:00 14°
02:00 14°
04:00 13°
06:00 13°
08:00 14°
10:00 20°
12:00 24°
14:00 25°
16:00 23°
18:00 19°
20:00 13°
22:00 12°
☀️ SaturdaySeptember 5th Avg 16° Low 10° at 23:00 High 24° at 15:00 Feels 21° Wind ~15 km/h
Clear
00:00 11°
02:00 11°
04:00 11°
06:00 11°
08:00 14°
10:00 19°
12:00 23°
14:00 24°
16:00 24°
18:00 20°
20:00 13°
22:00 10°
☁️ SundaySeptember 6th Avg 15° Low 10° at 00:00 High 20° at 13:00 Feels 17° Wind ~8 km/h
Clear Cloudy
00:00 10°
02:00 10°
04:00 10°
06:00 11°
08:00 14°
10:00 18°
12:00 20°
14:00 20°
16:00 18°
18:00 17°
20:00 17°
22:00 17°
☁️ MondaySeptember 7th Avg 22° Low 17° at 03:00 High 29° at 14:00 Wind ~10 km/h
Cloudy Partly Cloudy Cloudy
00:00 17°
02:00 17°
04:00 17°
06:00 17°
08:00 19°
10:00 23°
12:00 27°
14:00 29°
16:00 28°
18:00 25°
20:00 23°
22:00 22°
☁️ TuesdaySeptember 8th Avg 24° Low 18° at 23:00 High 33° at 11:00 Wind ~22 km/h
Clear Cloudy Clear
00:00 21°
02:00 22°
04:00 21°
06:00 22°
08:00 24°
10:00 31°
12:00 32°
14:00 28°
16:00 26°
18:00 23°
20:00 19°
22:00 18°
☀️ WednesdaySeptember 9th Avg 19° Low 13° at 22:00 High 27° at 14:00 Feels 25° Wind ~13 km/h
Cloudy Clear
00:00 18°
02:00 17°
04:00 15°
06:00 15°
08:00 16°
10:00 22°
12:00 25°
14:00 27°
16:00 25°
18:00 20°
20:00 14°
22:00 13°
☀️ ThursdaySeptember 10th Avg 17° Low 12° at 21:00 High 24° at 14:00 Feels 21° Wind ~17 km/h
Clear
00:00 13°
02:00 13°
04:00 13°
06:00 13°
08:00 15°
10:00 20°
12:00 23°
14:00 24°
16:00 23°
18:00 18°
20:00 13°
22:00 12°
☀️ FridaySeptember 11th Avg 17° Low 10° at 21:00 High 29° at 14:00 Feels 27° Wind ~12 km/h
Clear
00:00 12°
02:00 12°
04:00 12°
06:00 12°
08:00 15°
10:00 22°
12:00 27°
14:00 29°
16:00 26°
18:00 20°
20:00 11°
22:00 11°
☀️ SaturdaySeptember 12th Avg 16° Low 8° at 21:00 High 27° at 13:00 Feels 24° Wind ~13 km/h
Partly Cloudy Cloudy Clear
00:00 11°
02:00 11°
04:00 10°
06:00 10°
08:00 12°
10:00 21°
12:00 27°
14:00 26°
16:00 24°
18:00 18°
20:00 9°
22:00 9°
☀️ SundaySeptember 13th Avg 17° Low 9° at 04:00 High 29° at 14:00 Feels 25° Wind ~12 km/h
Clear
00:00 9°
02:00 9°
04:00 9°
06:00 10°
08:00 15°
10:00 23°
12:00 28°
14:00 29°
16:00 27°
18:00 22°
20:00 13°
22:00 12°

Sun

☀️ Sunrise 06:37 · Sunset 19:42

13h 05m of daylight · America/Los_Angeles

Air quality

PM2.5 9.3 µg/m³ - Good

No reason to change your plans - open the windows.

Source: Copernicus CAMS, updated hourly.

Nearby

Woodside Highlands · 1.3 km Westridge · 1.8 km Searsville (historical) · 2.2 km Sky Londa · 2.4 km Ladera · 3.7 km Los Trancos Woods · 5 km

Tools for Portola Valley

☔ Will it rain today? 🌅 Sunrise & sunset 🫁 Air quality 📼 Weather on this day

Common questions about Portola Valley weather

Will it rain in Portola Valley today?

No rain is in the forecast for Portola Valley today.

What is the temperature in Portola Valley right now?

It is 25° in Portola Valley right now, though it feels closer to 23°. Today runs between a low of 14° and a high of 28°.

What time is sunrise and sunset in Portola Valley?

The sun rises at 06:37 and sets at 19:42 local time in Portola Valley today, giving 13h 05m of daylight.

What is the air quality in Portola Valley?

PM2.5 in Portola Valley is currently 9.3 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.

How accurate is the Portola Valley forecast, and how far ahead does it go?

This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers Portola Valley best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.

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