National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

NA

70°F

21°C

Humidity 40%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 17 Oct 11:52 AM PDT
Extended Forecast for

3 Miles SSE Agness OR

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 78. North wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. North wind 5 to 9 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. West wind 5 to 7 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 68. Light and variable wind.

    High: 68 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 78. North wind 10 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 46. North wind 5 to 9 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 78. Calm wind becoming west northwest around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 44. West wind 5 to 7 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 68. Light and variable wind.
Monday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 41.
Friday
A slight chance of rain. Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Agness OR
 42.52°N 124.05°W (Elev. 200 ft)
Last Update:
11:26 am PDT Oct 17, 2026
Forecast Valid:
12pm PDT Oct 17, 2026-6pm PDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation