Alta Sierra Airport

Skagit County, California, United States

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Current Weather

26°

Clear

Feels Like: 18°

Min: 13°

Max: 27°

The next few hours will be clear, with today reaching 27°C and dropping to 11°C. The coming days will be mostly cloudy throughout the day.

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Hourly Forecast

27° 26° 23° 20° 18° 17° 16° 15° 14° 14° 13° 13° 12° 11° 11° 13° 15° 25° 26° 27° 27° 27° 26° 25°
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4am
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6am
7am
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Today
Tomorrow

Daylight Hours

06:51

Sunrise

19:05

Sunset

12 hours 14 minutes of sunlight today

Moon

Waxing Crescent

11:43

Moonrise

20:46

Moonset

Daily Forecast

Tuesday

13°
27°

Today

11°
27°

Thursday

20°
28°

Friday

17°
26°

Saturday

16°
23°

Sunday

17°
24°

Monday

18°
24°

Tuesday

17°
23°

Wednesday

11°
22°

Thursday

27°

Air Quality Data Available

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UV Index

Wear sunscreen
3 Moderate
Low Extreme

Humidity

21% Very Dry
Low High

Weather in Alta Sierra Airport today, September 15, 2026

Conditions in Alta Sierra Airport on September 15, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting.

The temperature range runs from about 13°C up to 27°C. Expect humidity between 21% and 51%, most humid near 23:00. Expect gentle winds, highest near 17:00 at 3.5 km/h.

Expect a more open afternoon, with limited cloud around 0% by 17:00. Residual damp risk should be lower than earlier. Views remain open at about 16.1 km. Sunrise is at 06:51 and sunset at 19:05, giving 12 hours 14 minutes of sunlight today.

In short, September 15, 2026 looks like a fine day in Alta Sierra Airport for being outside, peaking around 27°C.

Frequently asked questions about weather in Alta Sierra Airport

How warm does it get in Alta Sierra Airport?

The warmest month in Alta Sierra Airport is July, with average high temperatures of 35°C. The average temperature during this period is around 27°C.

How cold does it get in Alta Sierra Airport?

The coldest month in Alta Sierra Airport is December, with average low temperatures of 4°C. The average temperature during this period is around 8°C.

What is the wettest time of year in Alta Sierra Airport?

The wettest month in Alta Sierra Airport is March, with an average of 250mm of precipitation.

What is the driest time of year in Alta Sierra Airport?

The driest month in Alta Sierra Airport is July, with an average of 0mm of precipitation.

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Metric (°C, km/h)