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

Alpine, CA weather

Sunny and 68°20°, 9°5° colder than a typical Oct 24.

Mostly agree

Now 68°20°

Sunny

Wind: 5 mph8 km/hgusts 11 mph18 km/h; From the west. Up to 10 mph16 km/h through 12 AM
Dew point: 52°11°; Comfortable
UV index: 5Moderate; High 1–2 PM · peak 6
Air quality: 39Good; Main pollutant: Ozone

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Low 56°13° tomorrow at 6 AM
Above 70°21° tomorrow by 11 AM

This afternoonNear 69°21° · Clear
TonightDown to 57°14° by 1 AM · Clear
Tomorrow morningUp to 71°22° by 11 AM · Clear
Tomorrow afternoonNear 73°23° · Partly cloudy
Tomorrow nightDown to 58°14° by 3 AM · Partly cloudy
Monday morningUp to 73°23° by 11 AM · 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	68°20° (likely 66°19° to 68°20°)	68°20°	0%	5 mph8 km/h from W, gusts 11 mph18 km/h	57%	4%	5
Sat 1p	Sunny	69°21° (likely 67°19° to 70°21°)	69°21°	0%	5 mph8 km/h from W, gusts 13 mph20 km/h	56%	16%	6
Sat 2p	Sunny	70°21° (likely 67°19° to 71°22°)	70°21°	0%	10 mph16 km/h from W, gusts 15 mph24 km/h	54%	19%	5
Sat 3p	Sunny	70°21° (likely 67°19° to 70°21°)	70°21°	0%	10 mph16 km/h from W, gusts 15 mph24 km/h	55%	18%	3
Sat 4p	Sunny	69°21° (likely 67°19° to 70°21°)	69°21°	0%	10 mph16 km/h from W, gusts 12 mph19 km/h	57%	14%	2
Sat 5p	Sunny	70°21° (likely 66°19° to 70°21°)	70°21°	0%	10 mph16 km/h from W, gusts 13 mph20 km/h	57%	12%	2
Sat 6p	Clear	66°19° (likely 63°17° to 66°19°)	66°19°	0%	5 mph8 km/h from W, gusts 10 mph16 km/h	66%	9%	0
Sat 7p	Clear	63°17° (likely 59°15° to 63°17°)	63°17°	0%	5 mph8 km/h from W, gusts 6 mph10 km/h	74%	5%	0
Sat 8p	Clear	61°16° (likely 57°14° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 5 mph7 km/h	78%	0%	0
Sat 9p	Clear	60°16° (likely 54°12° to 60°16°)	60°16°	0%	0 mph0 km/h, gusts 4 mph7 km/h	80%	6%	0
Sat 10p	Clear	59°15° (likely 53°12° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 6 mph9 km/h	79%	3%	0
Sat 11p	Clear	58°14° (likely 52°11° to 58°14°)	58°14°	0%	0 mph0 km/h, gusts 7 mph11 km/h	80%	0%	0
Sun 12a	Clear	58°14° (likely 52°11° to 58°14°)	58°14°	0%	0 mph0 km/h, gusts 6 mph10 km/h	80%	0%	0
Sun 1a	Clear	57°14° (likely 52°11° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 6 mph9 km/h	78%	0%	0
Sun 2a	Clear	57°14° (likely 51°11° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 5 mph7 km/h	75%	0%	0
Sun 3a	Clear	57°14° (likely 51°11° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 4 mph7 km/h	74%	0%	0
Sun 4a	Clear	57°14° (likely 51°11° to 57°14°)	57°14°	0%	5 mph8 km/h from NE, gusts 6 mph10 km/h	69%	0%	0
Sun 5a	Clear	57°14° (likely 51°11° to 57°14°)	57°14°	0%	5 mph8 km/h from NE, gusts 8 mph12 km/h	67%	0%	0
Sun 6a	Clear	56°13° (likely 51°11° to 57°14°)	56°13°	0%	5 mph8 km/h from NE, gusts 6 mph10 km/h	65%	0%	0
Sun 7a	Sunny	57°14° (likely 51°11° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 6 mph9 km/h	62%	0%	0
Sun 8a	Sunny	58°14° (likely 54°12° to 58°14°)	59°15°	0%	5 mph8 km/h from E, gusts 5 mph8 km/h	62%	0%	0
Sun 9a	Sunny	63°17° (likely 61°16° to 64°18°)	63°17°	0%	0 mph0 km/h, gusts 5 mph9 km/h	58%	0%	1
Sun 10a	Sunny	68°20° (likely 65°18° to 70°21°)	68°20°	0%	0 mph0 km/h, gusts 5 mph8 km/h	46%	0%	3
Sun 11a	Sunny	71°22° (likely 68°20° to 73°23°)	71°22°	0%	5 mph8 km/h from W, gusts 6 mph9 km/h	43%	1%	4
Sun 12p	Sunny	73°23° (likely 71°22° to 74°23°)	73°23°	0%	5 mph8 km/h from W, gusts 7 mph11 km/h	42%	40%	5
Sun 1p	Sunny	74°23° (likely 73°23° to 75°24°)	74°23°	0%	5 mph8 km/h from W, gusts 9 mph15 km/h	40%	40%	6
Sun 2p	Mostly sunny	75°24° (likely 73°23° to 75°24°)	75°24°	0%	10 mph16 km/h from W, gusts 11 mph17 km/h	41%	48%	5
Sun 3p	Mostly sunny	76°24° (likely 73°23° to 76°24°)	76°24°	0%	10 mph16 km/h from W, gusts 11 mph18 km/h	42%	49%	4
Sun 4p	Mostly sunny	73°23° (likely 71°22° to 73°23°)	73°23°	0%	10 mph16 km/h from W, gusts 13 mph22 km/h	48%	46%	3
Sun 5p	Partly sunny	73°23° (likely 69°21° to 73°23°)	73°23°	0%	10 mph16 km/h from W, gusts 13 mph21 km/h	50%	46%	1
Sun 6p	Partly cloudy	70°21° (likely 65°18° to 70°21°)	70°21°	0%	5 mph8 km/h from W, gusts 9 mph14 km/h	57%	43%	0
Sun 7p	Partly cloudy	65°18° (likely 61°16° to 65°18°)	65°18°	0%	0 mph0 km/h, gusts 5 mph7 km/h	66%	42%	0
Sun 8p	Partly cloudy	64°18° (likely 59°15° to 64°18°)	64°18°	0%	5 mph8 km/h from NE, gusts 5 mph7 km/h	67%	56%	0
Sun 9p	Cloudy	62°17° (likely 56°13° to 63°17°)	62°17°	0%	5 mph8 km/h from NE, gusts 8 mph12 km/h	66%	61%	0
Sun 10p	Partly cloudy	62°17° (likely 55°13° to 62°17°)	62°17°	0%	5 mph8 km/h from NE, gusts 6 mph9 km/h	64%	53%	0
Sun 11p	Clear	61°16° (likely 55°13° to 61°16°)	61°16°	0%	5 mph8 km/h from NE, gusts 7 mph11 km/h	62%	41%	0
Mon 12a	Mostly clear	60°16° (likely 54°12° to 61°16°)	60°16°	0%	5 mph8 km/h from NE, gusts 6 mph10 km/h	63%	46%	0
Mon 1a	Mostly clear	59°15° (likely 54°12° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 5 mph7 km/h	62%	41%	0
Mon 2a	Mostly clear	59°15° (likely 54°12° to 61°16°)	59°15°	0%	5 mph8 km/h from E, gusts 7 mph12 km/h	60%	27%	0
Mon 3a	Clear	58°14° (likely 54°12° to 61°16°)	58°14°	0%	5 mph8 km/h from E, gusts 6 mph10 km/h	60%	32%	0
Mon 4a	Mostly clear	59°15° (likely 54°12° to 60°16°)	59°15°	0%	5 mph8 km/h from E, gusts 6 mph9 km/h	58%	9%	0
Mon 5a	Clear	59°15° (likely 53°12° to 61°16°)	59°15°	0%	5 mph8 km/h from E, gusts 6 mph9 km/h	56%	1%	0
Mon 6a	Clear	59°15° (likely 52°11° to 59°15°)	59°15°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	55%	0%	0
Mon 7a	Sunny	59°15° (likely 52°11° to 59°15°)	59°15°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	54%	1%	0
Mon 8a	Sunny	61°16° (likely 55°13° to 63°17°)	61°16°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	53%	0%	0
Mon 9a	Sunny	65°18° (likely 63°17° to 66°19°)	65°18°	0%	0 mph0 km/h, gusts 6 mph9 km/h	48%	1%	1
Mon 10a	Sunny	69°21° (likely 67°19° to 72°22°)	69°21°	0%	0 mph0 km/h, gusts 5 mph8 km/h	41%	0%	3
Mon 11a	Sunny	73°23° (likely 69°21° to 73°23°)	73°23°	0%	5 mph8 km/h from W, gusts 6 mph10 km/h	37%	1%	4

Days ahead

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

Today, Oct 24. Sunny. High 71°22°, low 56°13°. Typical 80°27° / 54°12°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
2. Evening
  6 PM–midnight
  Clear, 61°16°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 57°14°
  Dry
Official NWS forecast
Today: Sunny, with a high near 71. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight: Clear, with a low around 56. Northeast wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–71°22°
Low, likely
48°9°–56°13°
Typical high / low
80°27° / 54°12°
Wind
11 mph17 km/h, gusts 22 mph35 km/h
UV peak
6
Tomorrow, Oct 25. Mostly sunny. High 77°25°, low 58°14°. Typical 80°27° / 53°12°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 58°14°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 58°14°
  Dry
Official NWS forecast
Day: Sunny, with a high near 77. Northeast wind 0 to 10 mph.
Night: Mostly clear, with a low around 58. Northeast wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
73°23°–77°25°
Low, likely
51°11°–58°14°
Typical high / low
80°27° / 53°12°
Wind
12 mph19 km/h, gusts 20 mph33 km/h
UV peak
6
Monday, Oct 26. Mostly sunny. High 77°25°, low 54°12°. Typical 80°27° / 53°12°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 61°16°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°11°
  Dry
Official NWS forecast
Day: Sunny, with a high near 77. North wind 0 to 10 mph, with gusts as high as 20 mph.
Night: Clear, with a low around 54.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
73°23°–77°25°
Low, likely
51°11°–56°13°
Typical high / low
80°27° / 53°12°
Wind
11 mph17 km/h, gusts 22 mph36 km/h
UV peak
6
Tuesday, Oct 27. Sunny. High 76°24°, low 56°13°. Typical 79°26° / 53°12°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 76.
Night: Partly cloudy, with a low around 56.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–76°24°
Low, likely
48°9°–56°13°
Typical high / low
79°26° / 53°12°
Wind
7 mph11 km/h, gusts 17 mph27 km/h
UV peak
6
Wednesday, Oct 28. Cloudy. High 74°23°, low 56°13°. Typical 79°26° / 52°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 74.
Night: Mostly cloudy, with a low around 56.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–74°23°
Low, likely
47°8°–56°13°
Typical high / low
79°26° / 52°11°
Wind
7 mph12 km/h, gusts 14 mph23 km/h
UV peak
5
Thursday, Oct 29. Cloudy. High 70°21°, low 57°14°. Typical 79°26° / 52°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°14°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  30% chance · 0.01 in0.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 70.
Night: A chance of rain showers after 11pm. Mostly cloudy, with a low around 57.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–70°21°
Low, likely
50°10°–57°14°
Typical high / low
79°26° / 52°11°
Wind
8 mph13 km/h, gusts 16 mph26 km/h
UV peak
5
Friday, Oct 30. Showers. High 66°19°, low 55°13°. Typical 79°26° / 52°11°. Rain 0.1 in2.5 mm, 50% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Drizzle, 56°13°
  30% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Partly sunny, 62°17°
  40% chance · 0.03 in0.8 mm
3. Evening
  6 PM–midnight
  Drizzle, 56°13°
  50% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Drizzle, 53°12°
  50% chance · 0.05 in1.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Mostly cloudy, with a high near 66.
Night: A chance of rain showers. Mostly cloudy, with a low around 55.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–66°19°
Low, likely
52°11°–55°13°
Typical high / low
79°26° / 52°11°
Wind
14 mph23 km/h
UV peak
4
Saturday, Oct 31. Drizzle. High 61°16°, low 52°11°. Typical 79°26° / 52°11°. Rain 0.16 in4.1 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  40% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  40% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  40% chance
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  40% chance · 0.02 in0.5 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–62°17°
Low, likely
47°8°–54°12°
Typical high / low
79°26° / 52°11°
Wind
9 mph14 km/h, gusts 20 mph32 km/h
UV peak
4
Sunday, Nov 1. Rain. High 66°19°, low 51°11°. Typical 79°26° / 51°11°. Rain 0.18 in4.6 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  40% chance
2. Afternoon
  noon–6 PM
  Drizzle, 66°19°
  40% chance · 0.04 in1.1 mm
3. Evening
  6 PM–midnight
  Rain, 57°14°
  40% chance · 0.11 in2.8 mm
4. Overnight
  midnight–6 AM
  Rain, 54°12°
  30% chance · 0.21 in5.4 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
57°14°–72°22°
Low, likely
48°9°–54°12°
Typical high / low
79°26° / 51°11°
Wind
11 mph17 km/h, gusts 26 mph42 km/h
UV peak
4
Monday, Nov 2. Showers. High 66°19°, low 53°12°. Typical 78°26° / 51°11°. Rain 0.32 in8.1 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 59°15°
  30% chance · 0.11 in2.7 mm
2. Afternoon
  noon–6 PM
  Drizzle, 65°19°
  20% chance · 0.02 in0.4 mm
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  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
58°14°–74°23°
Low, likely
48°9°–57°14°
Typical high / low
78°26° / 51°11°
Wind
9 mph15 km/h, gusts 25 mph40 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 71°, low 56°.
Tomorrow
Dry, high 77°, low 58°, warming up.
Monday
Dry, high 77°, low 54°.
Rest of week
Highs 61–76°; chance of precipitation on Friday, Saturday, Sunday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (SGX) (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

San Diego River at Fashion Valley

25 mi

Below flood stage

Level: 3.2 ft
Flow: 37 cfs

Forecast peak 3.2 ft Sat 12 PM

Reading from Sat 10:15 AM · NWS gauge page

San Diego River at Mast Nr Santee

16 mi

Level: 2.1 ft
Flow: 10 cfs

Reading from Sat 10:15 AM · NWS gauge page

For your home

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

Heating this week

This week 7Typical 0

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 52°F).

Open the windows?

Today, 1:00 PM–9:00 PM

Good stretch to open the windows.

Is this typical?

El Cajon · official normals 1991–2020 · records 1899–2026

Oct 24, today vs a typical year

Today’s expected high is 9°5° colder than typical.

Last 7 days vs normal

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

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

Sun & moon

Sun

Daylight: 11 h 5 min; Losing 1 min 53 s a day; shortest Dec 21, 1 h 6 min less
Golden hour: 5:29–6:19 PM; Morning 6:42–7:32 AM
Blue hour: 6:19–6:28 PM; Morning 6:33–6:42 AM; first light 6:33 AM

Stars tonight? Fair

Clear 6:28 PM–6:33 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:21 AM · rises 5:01 PM
Full moon: Oct 25
New moon: Nov 8

Looking northeast from Alpine. The highest point on the skyline is about 6,100 ft, 36 mi away.Skyline from USGS elevation data, heights drawn up to 2× taller. Sky, sun and moon as they are now.