What is the weather in Alta Sierra right now?

Current weather in Alta Sierra is clear sky.

Where can I find the hourly weather forecast for Alta Sierra?

This page shows hourly weather forecast for Alta Sierra, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Alta Sierra updated regularly?

Weather data for Alta Sierra is updated regularly with the latest available observations and forecasts.

Now · 1:17 PM

Alta Sierra Weather & Hourly Forecast

United States · California · 93285

68°F

Sunny

Feels like: 67°F

💧 Humidity 34% 🌡 Pressure 29.91 inHg 💨 Wind 10 mph 👁 Visibility 6.2 mi ☁ Clouds 0% ☀️ UV index 9.2 · Very high 🌅 Sunrise 6:27 AM 🌇 Sunset 7:19 PM

Hourly Forecast for Alta Sierra

Today

2:00 PM

Sunny

68° 💧 None 💨 10 mph H 34%29.91 inHg

5:00 PM

Sunny

66° 💧 None 💨 10 mph H 32%29.85 inHg

8:00 PM

Clear night

57° 💧 None 💨 6 mph H 54%29.88 inHg

11:00 PM

Clear night

52° 💧 None 💨 7 mph H 61%29.91 inHg

Tomorrow

2:00 AM

Clear night

48° 💧 None 💨 4 mph H 65%29.88 inHg

5:00 AM

Clear night

44° 💧 None 💨 4 mph H 72%29.91 inHg

8:00 AM

Sunny

50° 💧 None 💨 4 mph H 54%29.91 inHg

11:00 AM

Sunny

63° 💧 None 💨 7 mph H 35%29.85 inHg

2:00 PM

Sunny

68° 💧 None 💨 10 mph H 29%29.83 inHg

5:00 PM

Sunny

65° 💧 None 💨 10 mph H 36%29.85 inHg

8:00 PM

Clear night

57° 💧 None 💨 6 mph H 64%29.91 inHg

11:00 PM

Clear night

51° 💧 None 💨 6 mph H 73%29.97 inHg

Saturday

2:00 AM

Clear night

48° 💧 None 💨 4 mph H 70%29.94 inHg

5:00 AM

Clear night

45° 💧 None 💨 4 mph H 68%29.97 inHg

8:00 AM

Sunny

56° 💧 None 💨 2 mph H 42%29.97 inHg

11:00 AM

Sunny

69° 💧 None 💨 6 mph H 22%29.91 inHg

Today

2:00 PM

Sunny

68° 💧 None 💨 10 mph H 34%29.91 inHg

3:00 PM

Sunny

68° 💧 None 💨 11 mph H 33%29.88 inHg

4:00 PM

Sunny

68° 💧 None 💨 11 mph H 32%29.85 inHg

5:00 PM

Sunny

66° 💧 None 💨 10 mph H 32%29.85 inHg

6:00 PM

Sunny

63° 💧 None 💨 9 mph H 34%29.85 inHg

7:00 PM

Sunny

60° 💧 None 💨 7 mph H 43%29.85 inHg

8:00 PM

Clear night

57° 💧 None 💨 6 mph H 54%29.88 inHg

9:00 PM

Clear night

55° 💧 None 💨 6 mph H 56%29.91 inHg

10:00 PM

Clear night

53° 💧 None 💨 6 mph H 58%29.91 inHg

11:00 PM

Clear night

52° 💧 None 💨 7 mph H 61%29.91 inHg

Tomorrow

12:00 AM

Clear night

50° 💧 None 💨 5 mph H 64%29.91 inHg

1:00 AM

Clear night

49° 💧 None 💨 5 mph H 65%29.91 inHg

2:00 AM

Clear night

48° 💧 None 💨 4 mph H 65%29.88 inHg

3:00 AM

Clear night

46° 💧 None 💨 5 mph H 66%29.88 inHg

4:00 AM

Clear night

46° 💧 None 💨 4 mph H 69%29.88 inHg

5:00 AM

Clear night

44° 💧 None 💨 4 mph H 72%29.91 inHg

6:00 AM

Clear night

43° 💧 None 💨 5 mph H 73%29.91 inHg

7:00 AM

Sunny

45° 💧 None 💨 4 mph H 70%29.91 inHg

8:00 AM

Sunny

50° 💧 None 💨 4 mph H 54%29.91 inHg

9:00 AM

Sunny

56° 💧 None 💨 5 mph H 47%29.88 inHg

10:00 AM

Sunny

60° 💧 None 💨 6 mph H 40%29.88 inHg

11:00 AM

Sunny

63° 💧 None 💨 7 mph H 35%29.85 inHg

12:00 PM

Sunny

66° 💧 None 💨 9 mph H 31%29.85 inHg

1:00 PM

Sunny

68° 💧 None 💨 10 mph H 30%29.85 inHg

2:00 PM

Sunny

68° 💧 None 💨 10 mph H 29%29.83 inHg

3:00 PM

Sunny

67° 💧 None 💨 10 mph H 29%29.83 inHg

4:00 PM

Sunny

69° 💧 None 💨 11 mph H 32%29.83 inHg

5:00 PM

Sunny

65° 💧 None 💨 10 mph H 36%29.85 inHg

6:00 PM

Sunny

63° 💧 None 💨 8 mph H 40%29.85 inHg

7:00 PM

Sunny

60° 💧 None 💨 6 mph H 50%29.88 inHg

8:00 PM

Clear night

57° 💧 None 💨 6 mph H 64%29.91 inHg

9:00 PM

Clear night

55° 💧 None 💨 6 mph H 68%29.94 inHg

10:00 PM

Clear night

53° 💧 None 💨 7 mph H 71%29.94 inHg

11:00 PM

Clear night

51° 💧 None 💨 6 mph H 73%29.97 inHg

Saturday

12:00 AM

Clear night

50° 💧 None 💨 5 mph H 73%29.97 inHg

1:00 AM

Clear night

49° 💧 None 💨 4 mph H 71%29.97 inHg

2:00 AM

Clear night

48° 💧 None 💨 4 mph H 70%29.94 inHg

3:00 AM

Clear night

47° 💧 None 💨 4 mph H 69%29.94 inHg

4:00 AM

Clear night

47° 💧 None 💨 4 mph H 68%29.94 inHg

5:00 AM

Clear night

45° 💧 None 💨 4 mph H 68%29.97 inHg

6:00 AM

Clear night

45° 💧 None 💨 5 mph H 67%29.97 inHg

7:00 AM

Sunny

47° 💧 None 💨 5 mph H 60%29.97 inHg

8:00 AM

Sunny

56° 💧 None 💨 2 mph H 42%29.97 inHg

9:00 AM

Sunny

62° 💧 None 💨 3 mph H 33%29.94 inHg

10:00 AM

Sunny

66° 💧 None 💨 4 mph H 27%29.94 inHg

11:00 AM

Sunny

69° 💧 None 💨 6 mph H 22%29.91 inHg

12:00 PM

Sunny

72° 💧 None 💨 6 mph H 20%29.91 inHg

1:00 PM

Sunny

73° 💧 None 💨 8 mph H 20%29.88 inHg

2:00 PM

Sunny

74° 💧 None 💨 10 mph H 21%29.88 inHg

3:00 PM

Sunny

74° 💧 None 💨 9 mph H 22%29.85 inHg

4:00 PM

Sunny

73° 💧 None 💨 8 mph H 22%29.85 inHg

5:00 PM

Sunny

71° 💧 None 💨 8 mph H 24%29.88 inHg

6:00 PM

Sunny

68° 💧 None 💨 7 mph H 27%29.88 inHg

7:00 PM

Sunny

60° 💧 None 💨 5 mph H 37%29.91 inHg

8:00 PM

Clear night

54° 💧 None 💨 6 mph H 44%29.97 inHg

9:00 PM

Clear night

52° 💧 None 💨 7 mph H 47%29.97 inHg

10:00 PM

Clear night

51° 💧 None 💨 7 mph H 48%30.00 inHg

11:00 PM

Clear night

50° 💧 None 💨 7 mph H 52%30.00 inHg

Sunday

12:00 AM

Clear night

49° 💧 None 💨 6 mph H 52%29.97 inHg

1:00 AM

Clear night

48° 💧 None 💨 5 mph H 53%29.97 inHg

2:00 AM

Clear night

47° 💧 None 💨 5 mph H 55%29.97 inHg

3:00 AM

Clear night

46° 💧 None 💨 5 mph H 57%29.97 inHg

4:00 AM

Clear night

46° 💧 None 💨 5 mph H 57%29.97 inHg

5:00 AM

Clear night

46° 💧 None 💨 5 mph H 57%29.97 inHg

6:00 AM

Clear night

46° 💧 None 💨 5 mph H 57%29.97 inHg

7:00 AM

Sunny

48° 💧 None 💨 5 mph H 52%30.00 inHg

8:00 AM

Sunny

57° 💧 None 💨 2 mph H 37%29.97 inHg

9:00 AM

Sunny

63° 💧 None 💨 3 mph H 27%29.94 inHg

10:00 AM

Sunny

67° 💧 None 💨 5 mph H 21%29.94 inHg

11:00 AM

Sunny

71° 💧 None 💨 6 mph H 16%29.91 inHg

12:00 PM

Sunny

73° 💧 None 💨 8 mph H 14%29.91 inHg

1:00 PM

Sunny

74° 💧 None 💨 9 mph H 14%29.88 inHg

2:00 PM

Sunny

74° 💧 None 💨 9 mph H 14%29.88 inHg

3:00 PM

Sunny

73° 💧 None 💨 10 mph H 14%29.85 inHg

4:00 PM

Sunny

72° 💧 None 💨 10 mph H 15%29.85 inHg

5:00 PM

Sunny

70° 💧 None 💨 10 mph H 16%29.85 inHg

6:00 PM

Sunny

68° 💧 None 💨 8 mph H 19%29.85 inHg

7:00 PM

Sunny

59° 💧 None 💨 6 mph H 27%29.88 inHg

8:00 PM

Clear night

53° 💧 None 💨 6 mph H 33%29.94 inHg

9:00 PM

Clear night

52° 💧 None 💨 6 mph H 35%29.97 inHg

10:00 PM

Clear night

51° 💧 None 💨 6 mph H 40%29.97 inHg

11:00 PM

Clear night

50° 💧 None 💨 7 mph H 43%29.97 inHg

Monday

12:00 AM

Clear night

49° 💧 None 💨 7 mph H 45%29.97 inHg

1:00 AM

Clear night

48° 💧 None 💨 6 mph H 46%29.97 inHg

2:00 AM

Clear night

48° 💧 None 💨 6 mph H 45%29.97 inHg

3:00 AM

Clear night

47° 💧 None 💨 5 mph H 46%29.94 inHg

4:00 AM

Clear night

47° 💧 None 💨 5 mph H 47%29.97 inHg

5:00 AM

Clear night

46° 💧 None 💨 5 mph H 47%29.97 inHg

6:00 AM

Clear night

46° 💧 None 💨 6 mph H 46%29.97 inHg

7:00 AM

Sunny

47° 💧 None 💨 6 mph H 42%29.97 inHg

8:00 AM

Sunny

57° 💧 None 💨 4 mph H 30%29.97 inHg

9:00 AM

Sunny

63° 💧 None 💨 4 mph H 22%29.94 inHg

10:00 AM

Sunny

67° 💧 None 💨 6 mph H 17%29.94 inHg

11:00 AM

Sunny

70° 💧 None 💨 7 mph H 14%29.91 inHg

12:00 PM

Sunny

72° 💧 None 💨 9 mph H 11%29.91 inHg

1:00 PM

Sunny

74° 💧 None 💨 9 mph H 10%29.88 inHg

In Alta Sierra and, more broadly, across the state of California: Clear skies will dominate the rest of the day, with temperatures rising from the mid-60s into the low 80s. Expect mild to warm conditions, making for a pleasant afternoon. Winds will be moderate out of the northwest, reaching up to 17 mph, with gusts possibly hitting 29 mph. No precipitation is anticipated, so outdoor plans should be comfortable. As the day progresses, the weather will remain dry and relatively breezy, providing good visibility and a stable atmosphere. Temperatures will gradually cool as evening approaches, but the overall weather remains clear and mild through the afternoon hours.

15-Day Weather Outlook for Alta Sierra

TomorrowTomorrow

Sunny 69°/43° 💧 None 💨 11 mph

Saturday, Sep 5Sat Sep 5

Sunny 74°/45° 💧 None 💨 10 mph

Sunday, Sep 6Sun Sep 6

Sunny 74°/46° 💧 None 💨 10 mph

Monday, Sep 7Mon Sep 7

Sunny 74°/46° 💧 None 💨 10 mph

Tuesday, Sep 8Tue Sep 8

Mostly sunny 77°/48° 💧 None 💨 9 mph

Wednesday, Sep 9Wed Sep 9

Overcast 72°/53° 💧 None 💨 7 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 71°/47° 💧 None 💨 10 mph

Friday, Sep 11Fri Sep 11

Light rain 69°/51° 💧 0.02 in 💨 11 mph

Saturday, Sep 12Sat Sep 12

Moderate rain 65°/48° 💧 0.30 in 💨 15 mph

Sunday, Sep 13Sun Sep 13

Overcast 68°/46° 💧 None 💨 8 mph

Monday, Sep 14Mon Sep 14

Sunny 73°/49° 💧 None 💨 7 mph

Tuesday, Sep 15Tue Sep 15

Sunny 77°/52° 💧 None 💨 8 mph

Wednesday, Sep 16Wed Sep 16

Sunny 83°/57° 💧 None 💨 8 mph

Thursday, Sep 17Thu Sep 17

Sunny 86°/61° 💧 None 💨 9 mph

Friday, Sep 18Fri Sep 18

Partly cloudy 85°/63° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Alta Sierra

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Alta Sierra

Hourly forecast · Updated every 2 hours

Moderate

Nearest forecast value 2:00 PM

PM2.5 Fine particles Good 7,1µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 11,1µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Moderate 114,3µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 1,0µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in Alta Sierra

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 9,2Very high 😐Moderate

Tomorrow UV 9,2Very high 🙂Fair

Saturday UV 9,5Very high 😐Moderate

Sunday UV 9,4Very high 🙂Fair

Monday UV 6,0High 😐Moderate

Tuesday UV 6,0High —Unavailable

Wednesday UV 5,0Moderate —Unavailable

Hourly UV index today

2:00 PMUV 8,4 3:00 PMUV 6,3 4:00 PMUV 3,9 5:00 PMUV 1,8 6:00 PMUV 0,5 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Alta Sierra

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.19 Population: 12

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Forecast data for Alta Sierra were last refreshed today at 1:17 PM. The current forecast period extends through 05/09/2026 at 11:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.