Observed 9:25 AM PDT at KBLU

Alta, CA weather

Sunny and 45°7°, 12°7° warmer than a typical Oct 24, jacket by 7 PM.

Mostly agree

Now 45°7°

Sunny · Feels like 40°5°

Wind: 8 mph13 km/h; From the east. Up to 8 mph13 km/h through 9 PM
Dew point: 30°−1°; Dry · up to 40°4° by 5 PM (comfortable)
UV index: 0Low; Moderate 11 AM–4 PM · peak 4
Air quality: 26Good; Main pollutant: Ozone
Pressure: 30.16 inHg1021 hPa; Falling · −0.05 inHg−1.5 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

4°2° warmer than this time yesterday (40°4° then, 44°7° now)

Good hours for

Above 60°16° today by 11 AM
High 71°22° today at 2 PM
Below 60°16° tonight after 6 PM
Low 47°8° tomorrow at 6 AM

This morningUp to 64°18° by 11 AM · Clear
This afternoonUp to 71°22° by 2 PM · Clear
TonightDown to 48°9° by 5 AM · Clear
Tomorrow morningUp to 64°18° by 11 AM · Mostly cloudy
Tomorrow afternoonNear 65°18° · Mostly cloudy
Tomorrow nightDown to 50°10° by 5 AM · Partly cloudy
Monday morningNear 49°9° · 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 9a	Sunny	52°11° (likely 49°9° to 57°14°)	52°11°	0%	5 mph8 km/h from E, gusts 17 mph28 km/h	48%	0%	0
Sat 10a	Sunny	58°14° (likely 56°13° to 61°16°)	58°14°	0%	2 mph3 km/h from E, gusts 14 mph23 km/h	41%	0%	1
Sat 11a	Sunny	64°18° (likely 61°16° to 65°18°)	64°18°	0%	1 mph2 km/h from E, gusts 10 mph16 km/h	34%	0%	3
Sat 12p	Sunny	67°19° (likely 64°18° to 67°19°)	67°19°	0%	1 mph2 km/h from SSW, gusts 9 mph14 km/h	28%	0%	4
Sat 1p	Sunny	70°21° (likely 64°18° to 70°21°)	70°21°	0%	1 mph2 km/h from SW, gusts 10 mph15 km/h	27%	0%	4
Sat 2p	Sunny	71°22° (likely 64°18° to 71°22°)	71°22°	0%	2 mph3 km/h from WSW, gusts 11 mph18 km/h	27%	0%	4
Sat 3p	Sunny	69°21° (likely 64°18° to 69°21°)	69°21°	0%	3 mph5 km/h from W, gusts 11 mph18 km/h	30%	0%	3
Sat 4p	Sunny	67°19° (likely 62°17° to 67°19°)	67°19°	0%	3 mph5 km/h from W, gusts 11 mph18 km/h	35%	0%	2
Sat 5p	Sunny	65°18° (likely 59°15° to 65°18°)	65°18°	0%	2 mph3 km/h from W, gusts 10 mph16 km/h	40%	0%	1
Sat 6p	Clear	58°14° (likely 54°12° to 58°14°)	58°14°	0%	0 mph0 km/h, gusts 8 mph13 km/h	49%	0%	0
Sat 7p	Clear	55°13° (likely 51°11° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 4 mph6 km/h	55%	0%	0
Sat 8p	Clear	53°12° (likely 49°9° to 53°12°)	53°12°	0%	2 mph3 km/h from ENE, gusts 2 mph3 km/h	55%	0%	0
Sat 9p	Clear	52°11° (likely 46°8° to 52°11°)	52°11°	0%	3 mph5 km/h from ENE, gusts 3 mph5 km/h	55%	0%	0
Sat 10p	Clear	51°11° (likely 43°6° to 51°11°)	51°11°	0%	2 mph3 km/h from ENE, gusts 4 mph7 km/h	55%	1%	0
Sat 11p	Clear	51°11° (likely 42°6° to 51°11°)	51°11°	0%	2 mph3 km/h from E, gusts 5 mph7 km/h	55%	1%	0
Sun 12a	Clear	51°11° (likely 41°5° to 51°11°)	51°11°	0%	2 mph3 km/h from E, gusts 4 mph7 km/h	52%	2%	0
Sun 1a	Clear	51°11° (likely 41°5° to 51°11°)	51°11°	0%	2 mph3 km/h from E, gusts 5 mph9 km/h	51%	27%	0
Sun 2a	Mostly clear	51°11° (likely 41°5° to 51°11°)	51°11°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	49%	19%	0
Sun 3a	Clear	49°9° (likely 41°5° to 49°9°)	49°9°	0%	2 mph3 km/h from E, gusts 7 mph12 km/h	50%	39%	0
Sun 4a	Clear	49°9° (likely 41°5° to 49°9°)	49°9°	0%	2 mph3 km/h from E, gusts 8 mph12 km/h	51%	49%	0
Sun 5a	Mostly clear	48°9° (likely 41°5° to 49°9°)	48°9°	0%	2 mph3 km/h from E, gusts 8 mph13 km/h	52%	52%	0
Sun 6a	Mostly clear	47°8° (likely 40°4° to 49°9°)	47°8°	0%	2 mph3 km/h from E, gusts 8 mph13 km/h	55%	59%	0
Sun 7a	Mostly sunny	48°9° (likely 40°4° to 50°10°)	48°9°	0%	2 mph3 km/h from E, gusts 9 mph14 km/h	53%	64%	0
Sun 8a	Mostly sunny	49°9° (likely 42°6° to 50°10°)	49°9°	0%	2 mph3 km/h from E, gusts 8 mph14 km/h	53%	63%	0
Sun 9a	Mostly sunny	54°12° (likely 49°9° to 56°13°)	54°12°	0%	2 mph3 km/h from E, gusts 10 mph16 km/h	49%	65%	1
Sun 10a	Mostly sunny	59°15° (likely 56°13° to 59°15°)	59°15°	0%	2 mph3 km/h from E, gusts 10 mph16 km/h	43%	66%	2
Sun 11a	Mostly sunny	64°18° (likely 60°16° to 64°18°)	64°18°	0%	2 mph3 km/h from SSW, gusts 12 mph19 km/h	38%	65%	3
Sun 12p	Cloudy	66°19° (likely 62°17° to 66°19°)	66°19°	0%	2 mph3 km/h from SSW, gusts 13 mph21 km/h	35%	72%	4
Sun 1p	Cloudy	66°19° (likely 62°17° to 66°19°)	66°19°	0%	2 mph3 km/h from SSW, gusts 14 mph22 km/h	34%	76%	4
Sun 2p	Cloudy	68°20° (likely 62°17° to 68°20°)	68°20°	0%	3 mph5 km/h from SW, gusts 14 mph23 km/h	34%	81%	4
Sun 3p	Cloudy	66°19° (likely 62°17° to 66°19°)	66°19°	0%	3 mph5 km/h from SW, gusts 15 mph24 km/h	35%	85%	3
Sun 4p	Cloudy	64°18° (likely 60°16° to 64°18°)	64°18°	0%	3 mph5 km/h from SW, gusts 15 mph24 km/h	40%	86%	2
Sun 5p	Cloudy	64°18° (likely 58°14° to 64°18°)	64°18°	0%	1 mph2 km/h from SW, gusts 13 mph21 km/h	42%	89%	1
Sun 6p	Partly cloudy	58°14° (likely 54°12° to 58°14°)	58°14°	0%	1 mph2 km/h from SW, gusts 10 mph17 km/h	50%	86%	0
Sun 7p	Partly cloudy	55°13° (likely 50°10° to 55°13°)	55°13°	0%	1 mph2 km/h from SW, gusts 7 mph11 km/h	55%	73%	0
Sun 8p	Partly cloudy	54°12° (likely 47°8° to 54°12°)	54°12°	0%	3 mph5 km/h from ESE, gusts 8 mph13 km/h	58%	70%	0
Sun 9p	Partly cloudy	53°12° (likely 46°8° to 53°12°)	53°12°	0%	3 mph5 km/h from ESE, gusts 7 mph12 km/h	59%	50%	0
Sun 10p	Clear	53°12° (likely 46°8° to 53°12°)	53°12°	0%	3 mph5 km/h from ESE, gusts 6 mph10 km/h	58%	14%	0
Sun 11p	Clear	53°12° (likely 46°8° to 53°12°)	53°12°	0%	2 mph3 km/h from E, gusts 7 mph12 km/h	57%	11%	0
Mon 12a	Clear	53°12° (likely 45°7° to 53°12°)	53°12°	0%	2 mph3 km/h from E, gusts 9 mph14 km/h	56%	10%	0
Mon 1a	Clear	53°12° (likely 44°7° to 53°12°)	53°12°	0%	2 mph3 km/h from E, gusts 9 mph14 km/h	55%	0%	0
Mon 2a	Clear	53°12° (likely 43°6° to 53°12°)	53°12°	0%	2 mph3 km/h from ESE, gusts 9 mph15 km/h	55%	0%	0
Mon 3a	Clear	52°11° (likely 43°6° to 52°11°)	52°11°	0%	2 mph3 km/h from ESE, gusts 9 mph15 km/h	56%	3%	0
Mon 4a	Clear	51°11° (likely 43°6° to 51°11°)	51°11°	0%	2 mph3 km/h from ESE, gusts 8 mph13 km/h	57%	5%	0
Mon 5a	Clear	50°10° (likely 43°6° to 50°10°)	50°10°	0%	2 mph3 km/h from ESE, gusts 7 mph11 km/h	58%	14%	0
Mon 6a	Clear	49°9° (likely 41°5° to 49°9°)	49°9°	0%	2 mph3 km/h from ESE, gusts 5 mph8 km/h	59%	20%	0
Mon 7a	Sunny	48°9° (likely 40°4° to 48°9°)	48°9°	0%	2 mph3 km/h from ESE, gusts 5 mph9 km/h	59%	22%	0
Mon 8a	Sunny	49°9° (likely 42°6° to 49°9°)	48°9°	0%	3 mph5 km/h from SE, gusts 7 mph11 km/h	58%	20%	0

Days ahead

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

Today, Oct 24. Sunny. High 72°22°, low 46°8°. Typical 60°16° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 64°18°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Official NWS forecast
Today: Sunny. High near 72, with temperatures falling to around 65 in the afternoon. Southwest wind 1 to 5 mph.
Tonight: Clear. Low around 46, with temperatures rising to around 48 overnight. East northeast wind 0 to 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–72°22°
Low, likely
39°4°–48°9°
Typical high / low
60°16° / 46°8°
Wind
20 mph31 km/h, gusts 28 mph45 km/h
UV peak
5
Tomorrow, Oct 25. Cloudy. High 68°20°, low 48°9°. Typical 60°16° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Official NWS forecast
Day: Sunny. High near 68, with temperatures falling to around 64 in the afternoon. South southeast wind around 3 mph.
Night: Mostly clear, with a low around 48. Southeast wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–68°20°
Low, likely
40°4°–48°9°
Typical high / low
60°16° / 46°8°
Wind
9 mph15 km/h, gusts 22 mph35 km/h
UV peak
4
Monday, Oct 26. Rain. High 65°18°, low 43°6°. Typical 59°15° / 45°7°. Rain, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain after 5pm. Sunny, with a high near 65. South wind 2 to 6 mph. Chance of precipitation is 20%.
Night: A slight chance of rain before 11pm. Mostly clear, with a low around 43. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–65°18°
Low, likely
38°3°–43°6°
Typical high / low
59°15° / 45°7°
Wind
12 mph19 km/h, gusts 30 mph47 km/h
UV peak
5
Tuesday, Oct 27. Mostly sunny. High 67°19°, low 46°8°. Typical 59°15° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 67.
Night: Partly cloudy, with a low around 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–67°19°
Low, likely
35°2°–46°8°
Typical high / low
59°15° / 45°7°
Wind
8 mph13 km/h, gusts 23 mph37 km/h
UV peak
5
Wednesday, Oct 28. Cloudy. High 67°19°, low 49°9°. Typical 59°15° / 45°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 42°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 67.
Night: Partly cloudy, with a low around 49.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–67°19°
Low, likely
36°2°–49°9°
Typical high / low
59°15° / 45°7°
Wind
8 mph13 km/h, gusts 18 mph29 km/h
UV peak
4
Thursday, Oct 29. Mostly cloudy. High 62°17°, low 47°8°. Typical 58°14° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 44°7°
  20% chance
4. Overnight
  midnight–6 AM
  Drizzle, 39°4°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 62.
Night: A chance of rain after 11pm. Partly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
53°12°–62°17°
Low, likely
38°3°–47°8°
Typical high / low
58°14° / 44°7°
Wind
9 mph15 km/h, gusts 24 mph39 km/h
UV peak
3
Friday, Oct 30. Rain. High 59°15°, low 46°8°. Typical 58°14° / 44°7°. Rain 0.04 in1 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 50°10°
  20% chance
3. Evening
  6 PM–midnight
  Clear, 39°4°
  30% chance
4. Overnight
  midnight–6 AM
  Clear, 34°1°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 59.
Night: A chance of rain. Mostly cloudy, with a low around 46.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
47°8°–59°15°
Low, likely
34°1°–46°8°
Typical high / low
58°14° / 44°7°
Wind
12 mph19 km/h, gusts 29 mph46 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 50°10°, low 33°1°. Typical 57°14° / 44°7°. Rain 0.1 in2.5 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  30% chance · 0.1 in0.3 cm
2. Afternoon
  noon–6 PM
  Sunny, 50°10°
  30% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Clear, 38°3°
  20% chance
4. Overnight
  midnight–6 AM
  Clear, 35°2°
  20% chance
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
30°−1°–35°2°
Typical high / low
57°14° / 44°7°
Wind
8 mph14 km/h, gusts 18 mph28 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 58°14°, low 34°1°. Typical 57°14° / 44°7°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°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
45°7°–68°20°
Low, likely
27°−3°–39°4°
Typical high / low
57°14° / 44°7°
Wind
9 mph14 km/h, gusts 16 mph26 km/h
UV peak
4
Monday, Nov 2. Cloudy. High 55°13°, low 36°2°. Typical 57°14° / 43°6°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 47°9°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 58°14°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 45°7°
  20% chance
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
48°9°–61°16°
Low, likely
25°−4°–46°8°
Typical high / low
57°14° / 43°6°
Wind
8 mph13 km/h, gusts 18 mph29 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 72°, low 46°.
Tomorrow
Dry, high 68°, low 48°, cooling off.
Monday
Dry, high 65°, low 43°, cooling off.
Rest of week
Mostly dry, highs 50–67°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (STO) (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 American River near Foresthill

15 mi

Level: 8.1 ft
Flow: 233 cfs

Reading from Sat 8 AM · NWS gauge page

Rubicon River - Foresthill

15 mi

Flow: 150 cfs

Reading from Sat 7:45 AM · NWS gauge page

Middle Fork American River Above Middle Fork Power Plant

17 mi

Flow: 69 cfs

Reading from Sat 7:45 AM · NWS gauge page

South Fork Yuba River at Jones Bar

17 mi

Level: 1.9 ft
Flow: 40 cfs

Reading from Sat 8 AM · NWS gauge page

For your home

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

Heating this week

About 80% less heating than a typical week.

This week 18Typical 91

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 1
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 30°F).

Open the windows?

Today, 11:00 AM–5:00 PM

Good stretch to open the windows.

Is this typical?

Blue Canyon Nyack Airport · official normals 1991–2020 · records 1943–2026

Oct 24, today vs a typical year

Today’s expected high is 12°7° warmer than typical.

Last 7 days vs normal

On average 0° colder than normal (daily mean temperature).

+7°+4°SunOct 18
+4°+2°MonOct 19
+4°+2°TueOct 20
−2°−1°WedOct 21
−8°−5°ThuOct 22
−6°−3°FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 49 min; Losing 2 min 21 s a day; shortest Dec 21, 1 h 25 min less
Golden hour: 5:34–6:28 PM; Morning 7:05–7:59 AM
Blue hour: 6:28–6:39 PM; Morning 6:55–7:05 AM; first light 6:55 AM

Stars tonight? Fair

Mostly clear 6:39 PM–1 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:43 AM · rises 5:11 PM
Full moon: Oct 25
New moon: Nov 8

Looking east from Alta. The highest point on the skyline is about 4,600 ft, 2 mi away.Skyline from USGS elevation data, heights drawn up to 4× taller. Sky, sun and moon as they are now.