Observed 12:30 PM PDT at KSTS

Hidden Valley Lake, CA weather

Sunny and 73°23°, jacket by 9 PM.

Forecasts differ

Now 73°23°

Sunny

Wind: 5 mph7 km/h; From the northwest. Up to 6 mph10 km/h through 12 AM
Dew point: 34°1°; Dry · up to 44°7° by 6 PM (comfortable)
UV index: 4Moderate; Moderate until 4 PM
Pressure: 30.03 inHg1017 hPa; Falling slowly · −0.04 inHg−1.3 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 74°23° today at 4 PM
Drops 13°7° tonight 6–9 PM (69°21° → 56°13°)
Low 35°2° tomorrow at 6 AM
Above 50°10° tomorrow by 10 AM

This afternoonUp to 74°23° by 4 PM · Clear
TonightDown to 38°3° by 5 AM · Partly cloudy
Tomorrow morningUp to 60°16° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 71°22° by 4 PM · Mostly cloudy
Tomorrow nightDown to 40°4° by 5 AM · Partly cloudy
Monday morningUp to 58°14° by 11 AM · Partly cloudy

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	65°18° (likely 65°18° to 72°22°)	65°18°	0%	6 mph10 km/h from N, gusts 11 mph17 km/h	32%	0%	4
Sat 1p	Sunny	69°21° (likely 69°21° to 74°23°)	69°21°	0%	6 mph10 km/h from N, gusts 8 mph13 km/h	30%	0%	4
Sat 2p	Sunny	71°22° (likely 70°21° to 76°24°)	71°22°	0%	2 mph3 km/h from N, gusts 6 mph9 km/h	29%	1%	4
Sat 3p	Sunny	72°22° (likely 71°22° to 77°25°)	72°22°	0%	2 mph3 km/h from N, gusts 4 mph6 km/h	29%	1%	3
Sat 4p	Sunny	74°23° (likely 71°22° to 77°25°)	74°23°	0%	2 mph3 km/h from N, gusts 4 mph7 km/h	30%	0%	2
Sat 5p	Sunny	74°23° (likely 69°21° to 76°24°)	74°23°	0%	5 mph8 km/h from WSW, gusts 5 mph8 km/h	29%	0%	2
Sat 6p	Clear	69°21° (likely 64°18° to 69°21°)	69°21°	0%	5 mph8 km/h from WSW, gusts 9 mph14 km/h	41%	0%	1
Sat 7p	Clear	64°18° (likely 59°15° to 64°18°)	64°18°	0%	5 mph8 km/h from WSW, gusts 8 mph13 km/h	51%	0%	0
Sat 8p	Clear	56°13° (likely 55°13° to 60°16°)	56°13°	0%	1 mph2 km/h from E, gusts 4 mph7 km/h	61%	1%	0
Sat 9p	Clear	53°12° (likely 52°11° to 58°14°)	53°12°	0%	1 mph2 km/h from E, gusts 4 mph7 km/h	67%	0%	0
Sat 10p	Clear	50°10° (likely 49°9° to 56°13°)	50°10°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	69%	0%	0
Sat 11p	Clear	48°9° (likely 47°8° to 55°13°)	48°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	72%	1%	0
Sun 12a	Clear	47°8° (likely 46°8° to 54°12°)	47°8°	0%	0 mph0 km/h, gusts 3 mph5 km/h	73%	39%	0
Sun 1a	Clear	44°7° (likely 44°7° to 53°12°)	44°7°	0%	0 mph0 km/h, gusts 3 mph5 km/h	76%	40%	0
Sun 2a	Mostly clear	44°7° (likely 44°7° to 53°12°)	44°7°	0%	0 mph0 km/h, gusts 3 mph4 km/h	79%	41%	0
Sun 3a	Mostly clear	41°5° (likely 41°5° to 52°11°)	41°5°	0%	0 mph0 km/h, gusts 3 mph4 km/h	81%	51%	0
Sun 4a	Mostly clear	40°4° (likely 40°4° to 51°11°)	40°4°	0%	0 mph0 km/h, gusts 2 mph4 km/h	83%	64%	0
Sun 5a	Cloudy	38°3° (likely 38°3° to 52°11°)	38°3°	0%	0 mph0 km/h, gusts 2 mph4 km/h	86%	67%	0
Sun 6a	Cloudy	35°2° (likely 35°2° to 51°11°)	35°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	92%	68%	0
Sun 7a	Cloudy	37°3° (likely 37°3° to 50°10°)	37°3°	0%	0 mph0 km/h, gusts 2 mph4 km/h	92%	68%	0
Sun 8a	Cloudy	38°3° (likely 38°3° to 50°10°)	38°3°	0%	1 mph2 km/h from ENE, gusts 2 mph4 km/h	92%	69%	0
Sun 9a	Mostly cloudy	44°7° (likely 44°7° to 54°12°)	44°7°	0%	1 mph2 km/h from ENE, gusts 2 mph4 km/h	82%	68%	1
Sun 10a	Mostly cloudy	53°12° (likely 53°12° to 60°16°)	53°12°	0%	1 mph2 km/h from ENE, gusts 4 mph6 km/h	54%	67%	2
Sun 11a	Cloudy	60°16° (likely 60°16° to 65°18°)	60°16°	0%	3 mph5 km/h from SE, gusts 6 mph10 km/h	44%	76%	3
Sun 12p	Cloudy	63°17° (likely 63°17° to 69°21°)	63°17°	0%	3 mph5 km/h from SE, gusts 8 mph12 km/h	40%	77%	4
Sun 1p	Cloudy	67°19° (likely 67°19° to 73°23°)	67°19°	0%	3 mph5 km/h from SE, gusts 8 mph13 km/h	37%	80%	4
Sun 2p	Cloudy	69°21° (likely 68°20° to 72°22°)	69°21°	0%	8 mph13 km/h from SSW, gusts 10 mph15 km/h	37%	81%	4
Sun 3p	Cloudy	69°21° (likely 68°20° to 71°22°)	69°21°	0%	8 mph13 km/h from SSW, gusts 11 mph17 km/h	37%	82%	3
Sun 4p	Cloudy	71°22° (likely 67°19° to 71°22°)	71°22°	0%	8 mph13 km/h from SSW, gusts 11 mph17 km/h	38%	85%	2
Sun 5p	Cloudy	71°22° (likely 65°18° to 71°22°)	71°22°	0%	5 mph8 km/h from SW, gusts 12 mph19 km/h	37%	85%	1
Sun 6p	Cloudy	67°19° (likely 61°16° to 67°19°)	67°19°	0%	5 mph8 km/h from SW, gusts 11 mph18 km/h	45%	85%	0
Sun 7p	Cloudy	63°17° (likely 57°14° to 63°17°)	63°17°	0%	5 mph8 km/h from SW, gusts 10 mph16 km/h	53%	85%	0
Sun 8p	Cloudy	57°14° (likely 54°12° to 57°14°)	57°14°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	60%	84%	0
Sun 9p	Partly cloudy	53°12° (likely 51°11° to 53°12°)	53°12°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	67%	56%	0
Sun 10p	Clear	51°11° (likely 49°9° to 52°11°)	51°11°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	71%	5%	0
Sun 11p	Clear	49°9° (likely 46°8° to 50°10°)	49°9°	0%	1 mph2 km/h from NNW, gusts 3 mph6 km/h	74%	0%	0
Mon 12a	Clear	46°8° (likely 44°7° to 49°9°)	46°8°	0%	1 mph2 km/h from NNW, gusts 5 mph8 km/h	79%	0%	0
Mon 1a	Clear	45°7° (likely 43°6° to 48°9°)	45°7°	0%	1 mph2 km/h from NNW, gusts 5 mph8 km/h	83%	0%	0
Mon 2a	Clear	44°7° (likely 42°6° to 47°8°)	44°7°	0%	2 mph3 km/h from NW, gusts 5 mph8 km/h	86%	7%	0
Mon 3a	Clear	43°6° (likely 41°5° to 48°9°)	43°6°	0%	2 mph3 km/h from NW, gusts 5 mph8 km/h	88%	13%	0
Mon 4a	Clear	41°5° (likely 41°5° to 47°8°)	41°5°	0%	2 mph3 km/h from NW, gusts 4 mph7 km/h	93%	24%	0
Mon 5a	Clear	40°4° (likely 40°4° to 45°7°)	40°4°	0%	2 mph3 km/h from W, gusts 4 mph7 km/h	96%	28%	0
Mon 6a	Partly cloudy	39°4° (likely 39°4° to 46°8°)	39°4°	0%	2 mph3 km/h from W, gusts 5 mph9 km/h	100%	36%	0
Mon 7a	Partly cloudy	39°4° (likely 39°4° to 47°8°)	39°4°	0%	2 mph3 km/h from W, gusts 6 mph9 km/h	100%	46%	0
Mon 8a	Mostly sunny	41°5° (likely 41°5° to 48°9°)	41°5°	0%	2 mph3 km/h from W, gusts 6 mph10 km/h	100%	48%	0
Mon 9a	Mostly sunny	46°8° (likely 46°8° to 54°12°)	46°8°	0%	2 mph3 km/h from W, gusts 6 mph10 km/h	91%	41%	0
Mon 10a	Mostly sunny	52°11° (likely 52°11° to 59°15°)	52°11°	0%	2 mph3 km/h from W, gusts 12 mph19 km/h	77%	38%	1
Mon 11a	Mostly sunny	58°14° (likely 58°14° to 62°17°)	58°14°	0%	6 mph10 km/h from W, gusts 14 mph23 km/h	65%	13%	3

Days ahead

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

Today, Oct 24. Sunny. High 75°24°, low 34°1°. Typical 72°22° / 41°5°. Dry. Forecasts differ.
1. Afternoon
  noon–6 PM
  Sunny, 74°23°
  Dry
2. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
3. Overnight
  midnight–6 AM
  Mostly clear, 38°3°
  Dry
Official NWS forecast
Today: Sunny, with a high near 75. North northwest wind 2 to 6 mph.
Tonight: Patchy frost after 5am. Mostly clear. Low around 34, with temperatures rising to around 38 overnight. North wind 0 to 5 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
71°22°–77°25°
Low, likely
34°1°–51°11°
Typical high / low
72°22° / 41°5°
Wind
9 mph15 km/h, gusts 22 mph35 km/h
UV peak
5
Tomorrow, Oct 25. Cloudy. High 73°23°, low 36°2°. Typical 72°22° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly cloudy, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Official NWS forecast
Day: Patchy frost before 8am. Partly sunny, with a high near 73. South southeast wind 0 to 8 mph.
Night: Partly cloudy, with a low around 36. West northwest wind 1 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–73°23°
Low, likely
36°2°–48°9°
Typical high / low
72°22° / 40°4°
Wind
11 mph17 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 68°20°, low 36°2°. Typical 72°22° / 40°4°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Mostly sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 44°7°
  Dry
Official NWS forecast
Day: Sunny, with a high near 68. West wind 2 to 10 mph, with gusts as high as 22 mph.
Night: Patchy fog between 2am and 5am, then patchy frost and patchy fog. Mostly clear, with a low around 36. Northwest wind 1 to 8 mph, with gusts as high as 18 mph.
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 68°20°).
High, likely
63°17°–68°20°
Low, likely
36°2°–45°7°
Typical high / low
72°22° / 40°4°
Wind
11 mph17 km/h, gusts 22 mph35 km/h
UV peak
5
Tuesday, Oct 27. Fog. High 70°21°, low 38°3°. Typical 71°22° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy frost and patchy fog before 8am. Sunny, with a high near 70.
Night: Patchy fog after 5am. Partly cloudy, with a low around 38.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–70°21°
Low, likely
38°3°–45°7°
Typical high / low
71°22° / 40°4°
Wind
7 mph12 km/h
UV peak
5
Wednesday, Oct 28. Fog. High 69°21°, low 38°3°. Typical 71°22° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 8am. Mostly sunny, with a high near 69.
Night: Patchy fog after 5am. Mostly cloudy, with a low around 38.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–69°21°
Low, likely
38°3°–46°8°
Typical high / low
71°22° / 40°4°
Wind
6 mph10 km/h, gusts 13 mph21 km/h
UV peak
4
Thursday, Oct 29. Rain. High 67°19°, low 36°2°. Typical 70°21° / 39°4°. Rain, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 42°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 8am, then a slight chance of rain. Mostly sunny, with a high near 67.
Night: A slight chance of rain before 2am, then areas of fog and a chance of rain. Partly cloudy, with a low around 36.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
62°17°–67°19°
Low, likely
36°2°–47°8°
Typical high / low
70°21° / 39°4°
Wind
9 mph14 km/h, gusts 21 mph34 km/h
UV peak
4
Friday, Oct 30. Rain. High 65°18°, low 35°2°. Typical 70°21° / 39°4°. Rain, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 62°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog and a chance of rain before 8am, then a chance of rain and patchy fog. Mostly sunny, with a high near 65.
Night: A slight chance of rain. Partly cloudy, with a low around 35.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–65°18°
Low, likely
35°2°–42°6°
Typical high / low
70°21° / 39°4°
Wind
10 mph15 km/h, gusts 23 mph37 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 62°17°, low 39°4°. Typical 70°21° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 40°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 41°5°
  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
57°14°–66°19°
Low, likely
35°2°–43°6°
Typical high / low
70°21° / 39°4°
Wind
6 mph9 km/h, gusts 16 mph26 km/h
UV peak
4
Sunday, Nov 1. Sunny. High 64°18°, low 40°4°. Typical 69°21° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 43°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
57°14°–70°21°
Low, likely
35°2°–45°7°
Typical high / low
69°21° / 38°3°
Wind
8 mph13 km/h, gusts 20 mph32 km/h
UV peak
4
Monday, Nov 2. Drizzle. High 60°16°, low 43°6°. Typical 69°21° / 38°3°. Rain 0.08 in2 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 49°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 51°10°
  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
56°13°–64°18°
Low, likely
38°3°–49°9°
Typical high / low
69°21° / 38°3°
Wind
8 mph13 km/h, gusts 18 mph29 km/h

10 days15 days30 days

The outlook

Today
Dry, high 75°, low 34°.
Tomorrow
Dry, high 73°, low 36°.
Monday
Dry, high 68°, low 36°, cooling off.
Rest of week
Mostly dry, highs 60–70°.

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

Putah Creek near Guenoc

2.4 mi

Below flood stage

Level: 3.2 ft

Forecast peak 3.9 ft Sat 1 PM

Reading from Sat 11:30 AM · NWS gauge page

Maacama Creek near Kellogg

16 mi

Below flood stage

Level: 3.6 ft
Flow: 1 cfs

Forecast peak 3.6 ft Sat 1 PM

Reading from Sat 11:30 AM · NWS gauge page

Cache Creek at Rumsey Bridge

18 mi

Below flood stage

Level: 1.2 ft
Flow: 38 cfs

Forecast peak 1.3 ft Sat 1 PM

Reading from Sat 11:45 AM · NWS gauge page

Kelsey Creek near Kelseyville

18 mi

Below flood stage

Level: 1.6 ft
Flow: 5 cfs

Forecast peak 1.6 ft Sat 1 PM

Reading from Sat 11:45 AM · NWS gauge page

For your home

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

Heating this week

About 62% less heating than a typical week.

This week 26Typical 67

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 20
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 11 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 36°F).

Open the windows?

Today, 1:00 PM–7:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

CLEARLAKE 4 SE · official normals 1991–2020 · records 1954–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° warmer than typical.

Last 7 days vs normal

On average 2°1° warmer than normal (daily mean temperature).

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

Hidden Valley Lake weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 50 min; Losing 2 min 21 s a day; shortest Dec 21, 1 h 23 min less
Golden hour: 5:42–6:35 PM; Morning 7:12–8:05 AM
Blue hour: 6:35–6:46 PM; Morning 7:01–7:12 AM; first light 7:01 AM

Stars tonight? Fair

Mostly clear 6:46 PM–12 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:50 AM · rises 5:19 PM
Full moon: Oct 25
New moon: Nov 8

Looking west from Hidden Valley Lake. The highest point on the skyline is about 4,700 ft, 10 mi away.Skyline from USGS elevation data, heights drawn up to 5× taller. Sky, sun and moon as they are now.

Hidden Valley Lake, CA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Putah Creek near Guenoc

Maacama Creek near Kellogg

Cache Creek at Rumsey Bridge

Kelsey Creek near Kelseyville

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