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

Calpine, CA weather

Sunny and 53°12°, jacket by 6 PM.

Mostly agree

Now 53°12°

Sunny

Wind: 5 mph8 km/hgusts 12 mph19 km/h; From the east. Up to 5 mph8 km/h through 12 AM
Dew point: 33°1°; Dry, static shocks likely
UV index: 4Moderate; Moderate until 5 PM · peak 5
Air quality: 13Good; PM2.5 (fine particles) · tomorrow moderate

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Hard freeze tonight 1–9 AM (low 23°−5°)
Above 40°4° tomorrow by 10 AM
Gusts to 26 mph42 km/h tomorrow 4–5 PM
Hard freeze Monday 4–9 AM (low 27°−3°)
Gusts to 38 mph61 km/h Monday from 8 AM

This afternoonUp to 61°16° by 4 PM · Clear
TonightDown to 26°−3° by 5 AM · freezing, low 26°−3° · Clear
Tomorrow morningUp to 53°12° by 11 AM · freezing, low 23°−5° · Mostly cloudy
Tomorrow afternoonUp to 64°18° by 3 PM · gusts to 26 mph42 km/h · Mostly cloudy
Tomorrow nightDown to 30°−1° by 5 AM · freezing, low 30°−1° · Partly cloudy
Monday morningUp to 50°10° by 11 AM · freezing, low 27°−3° · gusts to 38 mph61 km/h · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 12p	Sunny	53°12° (likely 51°11° to 53°12°)	53°12°	0%	5 mph8 km/h from E, gusts 12 mph19 km/h	47%	4%	4
Sat 1p	Sunny	58°14° (likely 54°12° to 58°14°)	58°14°	0%	5 mph8 km/h from E, gusts 11 mph18 km/h	40%	5%	5
Sat 2p	Sunny	60°16° (likely 55°13° to 60°16°)	60°16°	0%	5 mph8 km/h from NE, gusts 9 mph15 km/h	34%	0%	5
Sat 3p	Sunny	60°16° (likely 56°13° to 60°16°)	60°16°	0%	5 mph8 km/h from NE, gusts 7 mph12 km/h	33%	0%	4
Sat 4p	Sunny	61°16° (likely 56°13° to 61°16°)	61°16°	0%	5 mph8 km/h from NE, gusts 7 mph12 km/h	33%	0%	3
Sat 5p	Sunny	59°15° (likely 54°12° to 60°16°)	59°15°	0%	5 mph8 km/h from NE, gusts 8 mph13 km/h	35%	0%	1
Sat 6p	Clear	54°12° (likely 50°10° to 54°12°)	54°12°	0%	5 mph8 km/h from NE, gusts 8 mph13 km/h	45%	0%	0
Sat 7p	Clear	51°11° (likely 46°8° to 51°11°)	51°11°	0%	5 mph8 km/h from NE, gusts 5 mph8 km/h	51%	0%	0
Sat 8p	Clear	44°7° (likely 42°6° to 47°8°)	44°7°	0%	0 mph0 km/h, gusts 4 mph6 km/h	56%	0%	0
Sat 9p	Clear	42°6° (likely 40°4° to 45°7°)	42°6°	0%	0 mph0 km/h, gusts 4 mph6 km/h	60%	0%	0
Sat 10p	Clear	39°4° (likely 38°3° to 44°7°)	39°4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	65%	0%	0
Sat 11p	Clear	36°2° (likely 36°2° to 42°6°)	36°2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	69%	12%	0
Sun 12a	Clear	34°1° (likely 33°1° to 41°5°)	34°1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	76%	47%	0
Sun 1a	Clear	32°0° (likely 32°0° to 40°4°)	32°0°	0%	0 mph0 km/h, gusts 3 mph5 km/h	80%	48%	0
Sun 2a	Mostly clear	30°−1° (likely 30°−1° to 41°5°)	30°−1°	0%	0 mph0 km/h, gusts 4 mph6 km/h	84%	49%	0
Sun 3a	Clear	29°−2° (likely 29°−2° to 40°4°)	29°−2°	0%	0 mph0 km/h, gusts 4 mph6 km/h	85%	18%	0
Sun 4a	Mostly clear	27°−3° (likely 27°−3° to 40°4°)	27°−3°	0%	0 mph0 km/h, gusts 4 mph6 km/h	89%	51%	0
Sun 5a	Cloudy	26°−3° (likely 26°−3° to 40°4°)	26°−3°	0%	0 mph0 km/h, gusts 4 mph7 km/h	90%	61%	0
Sun 6a	Mostly clear	25°−4° (likely 25°−4° to 39°4°)	25°−4°	0%	0 mph0 km/h, gusts 4 mph7 km/h	96%	63%	0
Sun 7a	Mostly sunny	23°−5° (likely 23°−5° to 39°4°)	23°−5°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	63%	0
Sun 8a	Partly sunny	25°−4° (likely 25°−4° to 39°4°)	25°−4°	0%	0 mph0 km/h, gusts 4 mph7 km/h	96%	62%	0
Sun 9a	Partly sunny	34°1° (likely 34°1° to 43°6°)	34°1°	0%	0 mph0 km/h, gusts 5 mph8 km/h	74%	58%	1
Sun 10a	Partly sunny	46°8° (likely 42°6° to 50°10°)	46°8°	0%	0 mph0 km/h, gusts 7 mph11 km/h	56%	69%	2
Sun 11a	Partly sunny	53°12° (likely 48°9° to 56°13°)	53°12°	0%	5 mph8 km/h from SW, gusts 9 mph15 km/h	44%	67%	3
Sun 12p	Partly sunny	59°15° (likely 54°12° to 60°16°)	59°15°	0%	5 mph8 km/h from SW, gusts 9 mph14 km/h	37%	73%	4
Sun 1p	Cloudy	62°17° (likely 58°14° to 62°17°)	62°17°	0%	5 mph8 km/h from SW, gusts 14 mph23 km/h	32%	76%	4
Sun 2p	Mostly cloudy	63°17° (likely 61°16° to 63°17°)	63°17°	0%	5 mph8 km/h from SW, gusts 22 mph36 km/h	29%	67%	4
Sun 3p	Cloudy	64°18° (likely 60°16° to 64°18°)	64°18°	0%	5 mph8 km/h from SW, gusts 24 mph38 km/h	30%	79%	3
Sun 4p	Cloudy	62°17° (likely 58°14° to 62°17°)	62°17°	0%	5 mph8 km/h from SW, gusts 26 mph42 km/h	32%	80%	2
Sun 5p	Cloudy	60°16° (likely 55°13° to 60°16°)	60°16°	0%	5 mph8 km/h from SW, gusts 25 mph40 km/h	35%	79%	1
Sun 6p	Cloudy	56°13° (likely 51°11° to 56°13°)	56°13°	0%	5 mph8 km/h from SW, gusts 20 mph32 km/h	43%	79%	0
Sun 7p	Cloudy	50°10° (likely 48°9° to 51°11°)	48°9°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	50%	79%	0
Sun 8p	Cloudy	47°8° (likely 45°7° to 50°10°)	43°6°	0%	10 mph16 km/h from SW, gusts 8 mph13 km/h	55%	79%	0
Sun 9p	Cloudy	45°7° (likely 43°6° to 48°9°)	40°4°	0%	10 mph16 km/h from SW, gusts 6 mph10 km/h	57%	78%	0
Sun 10p	Cloudy	42°6° (likely 41°5° to 48°9°)	36°2°	0%	10 mph16 km/h from SW, gusts 7 mph11 km/h	62%	71%	0
Sun 11p	Clear	40°4° (likely 40°4° to 46°8°)	34°1°	0%	10 mph16 km/h from SW, gusts 7 mph11 km/h	65%	19%	0
Mon 12a	Clear	38°3° (likely 38°3° to 45°7°)	32°0°	0%	10 mph16 km/h from SW, gusts 9 mph15 km/h	72%	8%	0
Mon 1a	Clear	36°2° (likely 36°2° to 44°7°)	29°−2°	0%	10 mph16 km/h from SW, gusts 9 mph15 km/h	78%	0%	0
Mon 2a	Clear	34°1° (likely 34°1° to 44°7°)	27°−3°	5%	10 mph16 km/h from SW, gusts 13 mph20 km/h	83%	0%	0
Mon 3a	Clear	33°1° (likely 33°1° to 44°7°)	26°−3°	5%	10 mph16 km/h from SW, gusts 16 mph26 km/h	85%	0%	0
Mon 4a	Clear	32°0° (likely 32°0° to 44°7°)	25°−4°	5%	10 mph16 km/h from SW, gusts 17 mph27 km/h	89%	5%	0
Mon 5a	Clear	30°−1° (likely 30°−1° to 44°7°)	23°−5°	0%	5 mph8 km/h from SW, gusts 18 mph29 km/h	91%	10%	0
Mon 6a	Partly cloudy	29°−2° (likely 29°−2° to 45°7°)	22°−6°	0%	5 mph8 km/h from SW, gusts 21 mph33 km/h	95%	15%	0
Mon 7a	Partly sunny	27°−3° (likely 27°−3° to 45°7°)	20°−7°	0%	5 mph8 km/h from SW, gusts 22 mph36 km/h	98%	16%	0
Mon 8a	Partly sunny	27°−3° (likely 27°−3° to 45°7°)	19°−7°	0%	10 mph16 km/h from SW, gusts 27 mph44 km/h	96%	19%	0
Mon 9a	Partly sunny	33°1° (likely 33°1° to 48°9°)	26°−3°	0%	10 mph16 km/h from SW, gusts 33 mph53 km/h	82%	18%	1
Mon 10a	Partly sunny	42°6° (likely 42°6° to 51°11°)	37°3°	0%	10 mph16 km/h from SW, gusts 36 mph58 km/h	63%	17%	2
Mon 11a	Sunny	50°10° (likely 50°10° to 54°12°)	44°7°	0%	15 mph24 km/h from SW, gusts 38 mph62 km/h	46%	16%	3

Days ahead

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

Today, Oct 24. Sunny. High 62°17°, low 22°−6°. Typical 63°17° / 28°−2°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
2. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 26°−3°
  Dry
Official NWS forecast
Today: Sunny, with a high near 62. Northeast wind around 5 mph.
Tonight: Mostly clear, with a low around 22. Northwest wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–62°17°
Low, likely
22°−6°–34°1°
Typical high / low
63°17° / 28°−2°
Wind
7 mph12 km/h, gusts 23 mph36 km/h
UV peak
5
Tomorrow, Oct 25. Partly sunny. High 64°18°, low 26°−3°. Typical 62°17° / 28°−2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 25°−4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 30°−1°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 64. West wind 0 to 5 mph.
Night: Partly cloudy, with a low around 26. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–64°18°
Low, likely
26°−3°–39°4°
Typical high / low
62°17° / 28°−2°
Wind
16 mph25 km/h, gusts 30 mph48 km/h
UV peak
4
Monday, Oct 26. Partly sunny. High 59°15°, low 19°−7°. Typical 62°17° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 27°−3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Clear, 38°3°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 29°−2°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 59. Southwest wind 5 to 20 mph, with gusts as high as 30 mph.
Night: Mostly clear, with a low around 19. South wind 0 to 10 mph, with gusts as high as 20 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–59°15°
Low, likely
19°−7°–33°1°
Typical high / low
62°17° / 27°−3°
Wind
20 mph32 km/h, gusts 41 mph66 km/h
UV peak
5
Tuesday, Oct 27. Mostly sunny. High 62°17°, low 21°−6°. Typical 62°17° / 27°−3°. Dry. Mostly agree.
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, 30°−1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 62.
Night: Partly cloudy, with a low around 21.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–62°17°
Low, likely
21°−6°–31°−1°
Typical high / low
62°17° / 27°−3°
Wind
12 mph19 km/h, gusts 30 mph49 km/h
UV peak
5
Wednesday, Oct 28. Cloudy. High 61°16°, low 23°−5°. Typical 61°16° / 27°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 31°−1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 42°6°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 38°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 61.
Night: Mostly cloudy, with a low around 23.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
56°13°–61°16°
Low, likely
23°−5°–32°0°
Typical high / low
61°16° / 27°−3°
Wind
9 mph14 km/h, gusts 19 mph31 km/h
UV peak
5
Thursday, Oct 29. Cloudy. High 55°13°, low 22°−6°. Typical 61°16° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 39°4°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 34°1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain after 5pm. Partly sunny, with a high near 55.
Night: A slight chance of rain before 2am, then a slight chance of rain and snow. Mostly cloudy, with a low around 22.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–56°13°
Low, likely
22°−6°–36°2°
Typical high / low
61°16° / 27°−3°
Wind
11 mph17 km/h, gusts 30 mph47 km/h
UV peak
3
Friday, Oct 30. Snow. High 51°11°, low 20°−7°. Typical 60°16° / 27°−3°. Snow 0.01 in0.3 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 36°2°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 29°−2°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of snow before 8am, then a chance of rain and snow. Mostly sunny, with a high near 51.
Night: A chance of rain before 8pm, then a chance of rain and snow. Partly cloudy, with a low around 20.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
46°8°–51°11°
Low, likely
20°−7°–33°1°
Typical high / low
60°16° / 27°−3°
Wind
14 mph23 km/h, gusts 37 mph60 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 47°8°, low 26°−3°. Typical 60°16° / 26°−3°. Rain 0.04 in1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 29°−2°
  20% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Sunny, 47°8°
  20% chance
3. Evening
  6 PM–midnight
  Clear, 33°0°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 24°−4°
  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°–53°12°
Low, likely
23°−5°–29°−2°
Typical high / low
60°16° / 26°−3°
Wind
8 mph12 km/h, gusts 24 mph38 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 51°11°, low 24°−4°. Typical 59°15° / 26°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 27°−3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 38°3°
  Dry
4. Overnight
  midnight–6 AM
  Rain, 30°−1°
  20% chance · 0.11 in2.8 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°–59°15°
Low, likely
19°−7°–29°−2°
Typical high / low
59°15° / 26°−3°
Wind
7 mph11 km/h, gusts 19 mph31 km/h
UV peak
4
Monday, Nov 2. Rain. High 49°9°, low 29°−2°. Typical 59°15° / 26°−3°. Rain 0.32 in8.1 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 37°3°
  20% chance · 0.15 in3.9 mm
2. Afternoon
  noon–6 PM
  Rain, 47°8°
  20% chance · 0.1 in2.6 mm
3. Evening
  6 PM–midnight
  Drizzle, 40°5°
  20% chance · 0.05 in1.3 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
44°7°–56°13°
Low, likely
22°−6°–36°2°
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 62°, low 22°.
Tomorrow
Dry, high 64°, low 26°.
Monday
Dry, high 59°, low 19°, cooling off.
Rest of week
Mostly dry, highs 47–62°.

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

11 mi

Below flood stage

Level: 4845 ft
Flow: 24 cfs

Forecast peak 4845 ft Sat 12 PM

Reading from Sat 10:30 AM · NWS gauge page

Sagehen Creek nr Truckee

19 mi

Below flood stage

Level: 1.5 ft
Flow: 2 cfs

Forecast peak 1.5 ft Sat 12 PM

Reading from Sat 10:45 AM · NWS gauge page

Independence Creek below Independence Lake

16 mi

Below flood stage

Level: 2.3 ft
Flow: 4 cfs

Reading from Sat 10:45 AM · NWS gauge page

Independence Lake near Truckee

17 mi

Level: 6946 ft
Flow: 14,900 cfs

Reading from Sat 10 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 44Typical 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 33°F).

Open the windows?

Today, 2:00 PM–4:00 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 about typical for the date.

Last 7 days vs normal

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

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

Sun & moon

Sun

Daylight: 10 h 48 min; Losing 2 min 25 s a day; shortest Dec 21, 1 h 26 min less
Golden hour: 5:32–6:26 PM; Morning 7:04–7:59 AM
Blue hour: 6:26–6:37 PM; Morning 6:54–7:04 AM; first light 6:54 AM

Stars tonight? Fair

Mostly clear 6:37 PM–12 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

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

Looking southwest from Calpine. The highest point on the skyline is about 9,100 ft, 16 mi away.Skyline from USGS elevation data, heights drawn up to 2.5× taller. Sky, sun and moon as they are now.

Calpine, CA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Middle Fork Feather River near Portola

Sagehen Creek nr Truckee

Independence Creek below Independence Lake

Independence Lake near Truckee

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon