Model estimate for 12:00 PM PDT (no recent station report)

Portola, CA weather

Sunny and 50°10°, jacket by 6 PM.

Mostly agree

Now 50°10°

Sunny · Feels like 46°8°

Wind: 10 mph16 km/hgusts 19 mph31 km/h; From the east. Up to 10 mph16 km/h through 1 AM
Dew point: 31°−1°; Dry, static shocks likely
UV index: 4Moderate; Moderate until 5 PM · peak 5
Air quality: 11Good; PM2.5 (fine particles) · tomorrow moderate

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 59°15° today at 5 PM
Hard freeze tonight 2–9 AM (low 27°−3°)
Above 40°4° tomorrow by 10 AM
Below freezing tomorrow night 5–9 AM (low 31°−1°)
Gusts to 34 mph55 km/h Monday from 10 AM

This afternoonUp to 59°15° by 5 PM · Clear
TonightDown to 29°−2° by 4 AM · freezing, low 29°−2° · Clear
Tomorrow morningUp to 50°10° by 11 AM · freezing, low 27°−3° · Mostly cloudy
Tomorrow afternoonUp to 62°17° by 3 PM · Mostly cloudy
Tomorrow nightDown to 32°0° by 5 AM · freezing, low 32°0° · Partly cloudy
Monday morningUp to 49°9° by 11 AM · freezing, low 31°−1° · gusts to 34 mph55 km/h · Clear

Hourly forecast, next 47 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 1p	Sunny	53°12° (likely 53°12° to 54°12°)	53°12°	0%	10 mph16 km/h from E, gusts 19 mph30 km/h	42%	0%	5
Sat 2p	Sunny	56°13° (likely 54°12° to 57°14°)	56°13°	0%	10 mph16 km/h from E, gusts 16 mph26 km/h	38%	0%	5
Sat 3p	Sunny	57°14° (likely 55°13° to 58°14°)	57°14°	0%	10 mph16 km/h from E, gusts 15 mph24 km/h	37%	0%	4
Sat 4p	Sunny	57°14° (likely 55°13° to 58°14°)	57°14°	0%	10 mph16 km/h from E, gusts 15 mph24 km/h	36%	0%	3
Sat 5p	Sunny	59°15° (likely 53°12° to 59°15°)	59°15°	0%	5 mph8 km/h from E, gusts 14 mph23 km/h	34%	0%	1
Sat 6p	Clear	54°12° (likely 48°9° to 54°12°)	54°12°	0%	5 mph8 km/h from E, gusts 13 mph20 km/h	43%	0%	0
Sat 7p	Clear	50°10° (likely 44°7° to 50°10°)	48°9°	0%	5 mph8 km/h from E, gusts 9 mph14 km/h	50%	0%	0
Sat 8p	Clear	46°8° (likely 41°5° to 46°8°)	46°8°	0%	0 mph0 km/h, gusts 9 mph15 km/h	56%	0%	0
Sat 9p	Clear	41°5° (likely 38°3° to 43°6°)	41°5°	0%	0 mph0 km/h, gusts 5 mph8 km/h	60%	0%	0
Sat 10p	Clear	38°3° (likely 36°2° to 42°6°)	38°3°	0%	0 mph0 km/h, gusts 3 mph5 km/h	63%	0%	0
Sat 11p	Clear	36°2° (likely 34°1° to 42°6°)	33°1°	0%	5 mph8 km/h from NE, gusts 2 mph3 km/h	66%	26%	0
Sun 12a	Clear	34°1° (likely 33°1° to 41°5°)	31°−1°	0%	5 mph8 km/h from NE, gusts 2 mph4 km/h	68%	32%	0
Sun 1a	Clear	33°1° (likely 31°−1° to 40°4°)	30°−1°	0%	5 mph8 km/h from NE, gusts 2 mph4 km/h	72%	38%	0
Sun 2a	Mostly clear	31°−1° (likely 31°−1° to 39°4°)	31°−1°	0%	0 mph0 km/h, gusts 2 mph3 km/h	76%	41%	0
Sun 3a	Mostly clear	30°−1° (likely 30°−1° to 39°4°)	30°−1°	0%	0 mph0 km/h, gusts 2 mph4 km/h	79%	46%	0
Sun 4a	Mostly clear	29°−2° (likely 29°−2° to 39°4°)	29°−2°	0%	0 mph0 km/h, gusts 2 mph4 km/h	80%	47%	0
Sun 5a	Cloudy	29°−2° (likely 29°−2° to 39°4°)	29°−2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	82%	52%	0
Sun 6a	Mostly clear	29°−2° (likely 28°−2° to 39°4°)	29°−2°	0%	0 mph0 km/h, gusts 2 mph4 km/h	82%	59%	0
Sun 7a	Mostly sunny	27°−3° (likely 27°−3° to 38°3°)	27°−3°	0%	0 mph0 km/h, gusts 2 mph4 km/h	85%	63%	0
Sun 8a	Partly sunny	28°−2° (likely 28°−2° to 38°3°)	28°−2°	0%	0 mph0 km/h, gusts 2 mph4 km/h	85%	54%	0
Sun 9a	Partly sunny	35°2° (likely 34°1° to 43°6°)	35°2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	72%	62%	1
Sun 10a	Partly sunny	44°7° (likely 41°5° to 51°11°)	44°7°	0%	0 mph0 km/h, gusts 3 mph5 km/h	58%	68%	2
Sun 11a	Partly sunny	50°10° (likely 48°9° to 55°13°)	48°9°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	46%	69%	3
Sun 12p	Partly sunny	56°13° (likely 53°12° to 59°15°)	56°13°	0%	5 mph8 km/h from SW, gusts 11 mph17 km/h	39%	72%	4
Sun 1p	Cloudy	59°15° (likely 58°14° to 62°17°)	59°15°	0%	5 mph8 km/h from SW, gusts 14 mph23 km/h	34%	77%	4
Sun 2p	Cloudy	61°16° (likely 60°16° to 63°17°)	61°16°	0%	10 mph16 km/h from SW, gusts 19 mph30 km/h	30%	79%	4
Sun 3p	Cloudy	62°17° (likely 59°15° to 62°17°)	62°17°	0%	10 mph16 km/h from SW, gusts 20 mph32 km/h	31%	80%	3
Sun 4p	Cloudy	60°16° (likely 57°14° to 60°16°)	60°16°	0%	10 mph16 km/h from SW, gusts 21 mph34 km/h	32%	82%	2
Sun 5p	Cloudy	60°16° (likely 54°12° to 60°16°)	60°16°	0%	10 mph16 km/h from SW, gusts 20 mph32 km/h	32%	80%	1
Sun 6p	Cloudy	56°13° (likely 50°10° to 56°13°)	56°13°	0%	10 mph16 km/h from SW, gusts 16 mph26 km/h	39%	80%	0
Sun 7p	Cloudy	50°10° (likely 46°8° to 50°10°)	47°8°	0%	10 mph16 km/h from SW, gusts 13 mph20 km/h	46%	80%	0
Sun 8p	Cloudy	46°8° (likely 44°7° to 46°8°)	42°6°	0%	10 mph16 km/h from SW, gusts 10 mph17 km/h	52%	80%	0
Sun 9p	Cloudy	43°6° (likely 42°6° to 45°7°)	38°3°	0%	10 mph16 km/h from SW, gusts 11 mph17 km/h	56%	82%	0
Sun 10p	Mostly cloudy	41°5° (likely 40°4° to 44°7°)	36°2°	0%	10 mph16 km/h from SW, gusts 9 mph14 km/h	60%	44%	0
Sun 11p	Clear	39°4° (likely 39°4° to 44°7°)	32°0°	0%	10 mph16 km/h from SW, gusts 7 mph10 km/h	64%	25%	0
Mon 12a	Clear	37°3° (likely 37°3° to 43°6°)	30°−1°	0%	10 mph16 km/h from SW, gusts 7 mph12 km/h	66%	5%	0
Mon 1a	Clear	36°2° (likely 36°2° to 42°6°)	29°−2°	0%	10 mph16 km/h from SW, gusts 9 mph15 km/h	71%	0%	0
Mon 2a	Clear	34°1° (likely 34°1° to 41°5°)	27°−3°	0%	10 mph16 km/h from SW, gusts 8 mph13 km/h	75%	0%	0
Mon 3a	Clear	33°1° (likely 33°1° to 41°5°)	25°−4°	0%	10 mph16 km/h from SW, gusts 8 mph13 km/h	78%	6%	0
Mon 4a	Clear	33°1° (likely 33°1° to 41°5°)	25°−4°	0%	10 mph16 km/h from SW, gusts 9 mph15 km/h	80%	8%	0
Mon 5a	Clear	32°0° (likely 32°0° to 41°5°)	25°−4°	0%	10 mph16 km/h from SW, gusts 9 mph15 km/h	82%	11%	0
Mon 6a	Clear	32°0° (likely 32°0° to 42°6°)	25°−4°	0%	10 mph16 km/h from SW, gusts 10 mph16 km/h	82%	14%	0
Mon 7a	Sunny	31°−1° (likely 31°−1° to 43°6°)	24°−4°	0%	10 mph16 km/h from SW, gusts 11 mph18 km/h	85%	15%	0
Mon 8a	Sunny	31°−1° (likely 31°−1° to 43°6°)	23°−5°	0%	10 mph16 km/h from SW, gusts 12 mph19 km/h	85%	16%	0
Mon 9a	Sunny	36°2° (likely 36°2° to 46°8°)	29°−2°	0%	10 mph16 km/h from SW, gusts 22 mph35 km/h	74%	15%	1
Mon 10a	Sunny	43°6° (likely 43°6° to 51°11°)	38°3°	0%	10 mph16 km/h from SW, gusts 31 mph49 km/h	58%	15%	2
Mon 11a	Sunny	49°9° (likely 49°9° to 54°12°)	43°6°	0%	15 mph24 km/h from SW, gusts 34 mph54 km/h	44%	11%	3

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Sunny. High 59°15°, low 27°−3°. Typical 63°17° / 28°−2°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 59°15°
  Dry
2. Evening
  6 PM–midnight
  Clear, 46°8°
  Dry
3. Overnight
  midnight–6 AM
  Mostly clear, 29°−2°
  Dry
Official NWS forecast
Today: Sunny, with a high near 59. East wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight: Mostly clear, with a low around 27. Northeast wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
55°13°–59°15°
Low, likely
27°−3°–34°1°
Typical high / low
63°17° / 28°−2°
Wind
14 mph22 km/h, gusts 23 mph37 km/h
UV peak
5
Tomorrow, Oct 25. Cloudy. High 63°17°, low 30°−1°. Typical 62°17° / 28°−2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 28°−2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 32°0°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 63. West wind 0 to 10 mph.
Night: Partly cloudy, with a low around 30. Southwest wind around 10 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–63°17°
Low, likely
28°−2°–38°3°
Typical high / low
62°17° / 28°−2°
Wind
15 mph24 km/h, gusts 26 mph41 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 57°14°, low 22°−6°. Typical 62°17° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 31°−1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Clear, 38°3°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 29°−2°
  Dry
Official NWS forecast
Day: Sunny, with a high near 57. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Night: Mostly clear, with a low around 22. Southwest wind 0 to 15 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
51°11°–57°14°
Low, likely
22°−6°–34°1°
Typical high / low
62°17° / 27°−3°
Wind
17 mph27 km/h, gusts 38 mph61 km/h
UV peak
5
Tuesday, Oct 27. Mostly sunny. High 60°16°, low 24°−4°. Typical 62°17° / 27°−3°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Sunny, 29°−2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 38°3°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 29°−1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 60.
Night: Partly cloudy, with a low around 24.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 60°16°).
High, likely
53°12°–60°16°
Low, likely
24°−4°–30°−1°
Typical high / low
62°17° / 27°−3°
Wind
11 mph18 km/h, gusts 28 mph45 km/h
UV peak
5
Wednesday, Oct 28. Cloudy. High 59°15°, low 27°−3°. Typical 61°16° / 27°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 30°−1°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 42°6°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 39°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 59.
Night: Mostly cloudy, with a low around 27.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
55°13°–61°16°
Low, likely
25°−4°–31°−1°
Typical high / low
61°16° / 27°−3°
Wind
8 mph14 km/h, gusts 19 mph30 km/h
UV peak
5
Thursday, Oct 29. Mostly cloudy. High 54°12°, low 26°−3°. Typical 61°16° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 38°3°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 31°0°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 54.
Night: A slight chance of rain between 11pm and 2am, then a slight chance of rain and snow. Mostly cloudy, with a low around 26.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
51°11°–56°13°
Low, likely
26°−3°–36°2°
Typical high / low
61°16° / 27°−3°
Wind
11 mph18 km/h, gusts 28 mph45 km/h
UV peak
3
Friday, Oct 30. Snow. High 49°9°, low 23°−5°. Typical 60°16° / 27°−3°. Snow 0.02 in0.5 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 35°2°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 29°−2°
  20% chance · 0.01 in0.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain and snow. Mostly sunny, with a high near 49.
Night: A slight chance of rain before 8pm, then a slight chance of rain and snow. Partly cloudy, with a low around 23.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
45°7°–51°11°
Low, likely
23°−5°–32°0°
Typical high / low
60°16° / 27°−3°
Wind
15 mph23 km/h, gusts 36 mph57 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 46°8°, low 25°−4°. Typical 60°16° / 26°−3°. Rain 0.08 in2 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 29°−2°
  30% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Sunny, 46°8°
  20% chance
3. Evening
  6 PM–midnight
  Clear, 32°0°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 22°−6°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
40°4°–54°12°
Low, likely
21°−6°–29°−2°
Typical high / low
60°16° / 26°−3°
Wind
7 mph12 km/h, gusts 24 mph38 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 48°9°, low 22°−6°. Typical 59°15° / 26°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 24°−4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Clear, 37°3°
  Dry
4. Overnight
  midnight–6 AM
  Rain, 27°−3°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
42°6°–56°13°
Low, likely
13°−11°–27°−3°
Typical high / low
59°15° / 26°−3°
Wind
7 mph12 km/h, gusts 19 mph31 km/h
UV peak
4
Monday, Nov 2. Rain. High 46°8°, low 26°−3°. Typical 59°15° / 26°−3°. Rain 0.28 in7.1 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 33°0°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 46°8°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 38°3°
  20% chance · 0.05 in1.4 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
42°6°–55°13°
Low, likely
21°−6°–34°1°
Typical high / low
59°15° / 26°−3°
Wind
7 mph11 km/h, gusts 21 mph34 km/h

10 days15 days30 days

The outlook

Today
Dry, high 59°, low 27°.
Tomorrow
Dry, high 63°, low 30°, warming up.
Monday
Dry, high 57°, low 22°, cooling off.
Rest of week
Mostly dry, highs 46–60°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (REV) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Middle Fork Feather River near Portola

1.6 mi

Below flood stage

Level: 4845 ft
Flow: 24 cfs

Forecast peak 4845 ft Sat 1 PM

Reading from Sat 11:30 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 70% less heating than a typical week.

This week 43Typical 144

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 30
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 9 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 31°F).

Open the windows?

Sun, 2:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

Portola · official normals 1991–2020 · records 1915–2026

Oct 24, today vs a typical year

Today’s expected high is 4°2° colder than typical.

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

Portola weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 48 min; Losing 2 min 21 s a day; shortest Dec 21, 1 h 27 min less
Golden hour: 5:32–6:26 PM; Morning 7:05–7:59 AM
Blue hour: 6:26–6:37 PM; Morning 6:54–7:05 AM; first light 6:54 AM

Stars tonight? Fair

Mostly clear 6:37–11 PM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:42 AM · rises 5:09 PM
Full moon: Oct 25
New moon: Nov 8

Looking southeast from Portola. The highest point on the skyline is about 8,000 ft, 12 mi away.Skyline from USGS elevation data, heights drawn up to 3.5× taller. Sky, sun and moon as they are now.