Live Weather & Forecast

Weather in Portola

California, United States · Real-time conditions & 3-day outlook

Flag of United States
Sunny
7°C
Feels like 4°C
45°F / Feels 39°F
Sunny
Portola, California
🌞 Daytime
Updated: 2026-04-15 11:15
💧
Humidity
58%
💨
Wind
18.4 km/h WSW
🌬️
Wind Gust
21.1 km/h
🌡️
Pressure
1020 mb
👁️
Visibility
16 km
☀️
UV Index
4.5 (Moderate)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
0%
💦
Dew Point
-0.6°C
🌐
Wind Degree
245°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
143.9 μg/m³
NO₂
2.1 μg/m³
O₃
115 μg/m³
SO₂
1.7 μg/m³
PM 2.5
4.6 μg/m³
PM 10
7.5 μg/m³

Weather Alerts 3

Met · Severe · Future
Freeze Watch issued April 15 at 12:06AM PDT until April 17 at 8:00AM PDT by NWS Reno NV

* WHAT...Sub-freezing temperatures with lows 21 to 27 degrees Friday morning. * WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties. * WHEN...From Thursday evening through Friday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.

Effective: 2026-04-15T00:06:00-07:00  ·  Expires: 2026-04-16T05:00:00-07:00
Met · Moderate · Expected
Lake Wind Advisory issued April 14 at 2:09PM PDT until April 16 at 7:00AM PDT by NWS Reno NV

* WHAT...Southwest winds 20 to 25 mph with gusts up to 35 mph and wave heights 1 to 3 feet. * WHERE...Greater Lake Tahoe Area. * WHEN...From 2 PM Wednesday to 7 AM PDT Thursday. * IMPACTS...Small boats, kayaks and paddle boards will be prone to capsizing and should remain off lake waters until conditions improve.

Check lake conditions before heading out and be prepared for a sudden increase in winds and wave heights. Consider postponing boating activities on the lake until a day with less wind.

Effective: 2026-04-14T14:09:00-07:00  ·  Expires: 2026-04-15T16:00:00-07:00
Met · Moderate · Expected
Lake Wind Advisory issued April 15 at 12:06AM PDT until April 16 at 7:00AM PDT by NWS Reno NV

* WHAT...Southwest winds 20 to 25 mph with gusts up to 35 mph and wave heights 1 to 3 feet. * WHERE...Greater Lake Tahoe Area. * WHEN...From 2 PM this afternoon to 7 AM PDT Thursday. * IMPACTS...Small boats, kayaks and paddle boards will be prone to capsizing and should remain off lake waters until conditions improve.

Check lake conditions before heading out and be prepared for a sudden increase in winds and wave heights. Consider postponing boating activities on the lake until a day with less wind.

Effective: 2026-04-15T00:06:00-07:00  ·  Expires: 2026-04-16T05:00:00-07:00

Today's Hourly Forecast

24-hour breakdown for Portola, California

12 AM
Cloudy
-0°
Cloudy
💧 93% 💨 6.1 km/h
1 AM
Mist
-0°
Mist
💧 95% 💨 5.8 km/h
2 AM
Clear
-0°
Clear
💧 91% 💨 6.1 km/h
3 AM
Mist
-0°
Mist
💧 95% 💨 6.1 km/h
4 AM
Fog
-0°
Fog
💧 98% 💨 6.1 km/h
5 AM
Fog
-0°
Fog
💧 97% 💨 6.1 km/h
6 AM
Freezing fog
1°
Freezing fog
💧 97% 💨 6.5 km/h
7 AM
Mist
3°
Mist
💧 96% 💨 6.1 km/h
8 AM
Partly Cloudy
5°
Partly Cloudy
💧 87% 💨 7.2 km/h
9 AM
Sunny
7°
Sunny
💧 62% 💨 10.4 km/h
10 AM
Partly Cloudy
9°
Partly Cloudy
💧 48% 💨 15.5 km/h
11 AM
Sunny
7°
Sunny
💧 58% 💨 18.4 km/h
12 PM
Sunny
11°
Sunny
💧 44% 💨 22 km/h
1 PM
Sunny
12°
Sunny
💧 44% 💨 25.9 km/h
2 PM
Sunny
11°
Sunny
💧 47% 💨 26.6 km/h
3 PM
Partly Cloudy
10°
Partly Cloudy
💧 52% 💨 27.7 km/h
4 PM
Cloudy
9°
Cloudy
💧 62% 💨 28.1 km/h
5 PM
Cloudy
8°
Cloudy
💧 74% 💨 25.6 km/h
6 PM
Cloudy
6°
Cloudy
💧 77% 💨 21.6 km/h
7 PM
Cloudy
4°
Cloudy
💧 83% 💨 17.6 km/h
8 PM
Overcast
3°
Overcast
💧 87% 💨 19.1 km/h
9 PM
Overcast
3°
Overcast
💧 91% 💨 20.5 km/h
10 PM
Overcast
3°
Overcast
💧 93% 💨 19.1 km/h
11 PM
Overcast
3°
Overcast
💧 93% 💨 17.3 km/h

3-Day Forecast

Daily overview for Portola, California

Today
Cloudy
Cloudy
12° / -1°
🌧️ 0% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 28.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:24 AM
🌇 Sunset: 07:41 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Partly Cloudy
Partly Cloudy
6° / -4°
🌧️ 0% chance of rain
💧 Avg. humidity: 51%
💨 Max wind: 21.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:22 AM
🌇 Sunset: 07:42 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Sunny
Sunny
12° / -5°
🌧️ 0% chance of rain
💧 Avg. humidity: 25%
💨 Max wind: 9.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:21 AM
🌇 Sunset: 07:43 PM
🌙 New Moon
🌑 Moon: 0% lit

Best Time to Visit Portola

Plan your trip to Portola, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Portola 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Portola?
Current conditions in Portola: Sunny, temperature 7°C, humidity 58%.
What is the best time to visit Portola?
The best time to visit Portola is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Portola?
Portola is located at approximately 39.8° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Portola?
The wettest period in Portola is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Portola?
For visits to Portola during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Portola in?
Portola is located in United States, in the state of California.
What are the public holidays in Portola in 2026?
View the 2026 public holidays for Portola on our Holidays page.
What are the GPS coordinates used for the weather forecast in Portola?
The weather forecast for Portola uses coordinates 39.8105, -120.4695.