Guerneville, CA 95446 Current Weather Conditions [Select Refresh to Update]
Updated Automatically by Ambient Weather's Virtual Weather Station  V15.00

Current Conditions

Almanac

Last Updated: 5:10pm on 12/18/25
Outside Temperature: 54.3 °F
Today's High: 55.0 °F at 4:02pm
Lo: 46.5 °F at 3:49am
Barometric Trend: -0.009
Sunrise : 7:24am  Sunset: 4:53pm
Moonrise:   6:32am   Moonset:  3:35pm
Moon Phase: 29

Parameter

Value High Time Low Time Average Rate Rate Hi Time Rate Lo Time

Wind Direction

S 179 11:57am 137 3:24pm 166 0.9 21.4 11:57am -31.9 3:24pm

Wind Speed

0 0 12:00am 0 12:00am 0 0.0 0.0 12:00am 0.0 12:00am

Gust

0 0 12:00am 0 12:00am 0 0.0 0.0 12:00am 0.0 12:00am

In Humidity

78 81 10:52am 71 7:06am 77 0.9 4.3 9:53am -1.9 1:09pm

Out Humidity

100 100 12:00am 100 12:00am 100 0.0 0.0 12:00am 0.0 5:00pm

In Temp

57.4 58.1 3:49pm 53.7 9:26am 57.6 -0.22 1.16 12:45pm -1.03 9:26am

Out Temp

54.3 55.0 4:02pm 46.5 3:49am 54.5 -0.21 1.49 9:47am -1.01 12:49am

Barometer

30.08 30.19 10:27am 30.08 4:45pm 30.09 -0.009 0.019 6:58am -0.030 1:12pm

Rain

0.00 0.00 12:00am 0.00 12:00am 0.00 0.000 0.000 12:00am 0.000 12:00am

Ch 1 Temp

0.0 0.0 12:00am 0.0 12:00am 0.0 0.00 0.00 12:00am 0.00 12:00am

Ch 1 Hum

0 0 12:00am 0 12:00am 0 0.0 0.0 12:00am 0.0 12:00am

Ch 2 Temp

0.0 0.0 12:00am 0.0 12:00am 0.0 0.00 0.00 12:00am 0.00 12:00am

Ch 2 Hum

0 0 12:00am 0 12:00am 0 0.0 0.0 12:00am 0.0 12:00am

Ch 3 Temp

0.0 0.0 12:00am 0.0 12:00am 0.0 0.00 0.00 12:00am 0.00 12:00am

Ch 3 Hum

0 0 12:00am 0 12:00am 0 0.0 0.0 12:00am 0.0 12:00am

ET

0.00 0.00 12:00am 0.00 12:00am 0.00 0.000 0.000 12:00am 0.000 12:00am

UV Index

0.0 0.0 12:00am 0.0 12:00am 0.0 0.00 0.00 12:00am 0.00 12:00am

Solar

0 0 12:00am 0 12:00am 0 0.0 0.0 12:00am 0.0 12:00am

Wind Chill

54.3 55.0 4:02pm 46.5 3:49am 54.5 -0.21 1.49 9:47am -1.01 12:49am

In Heat Index

61.4 61.9 3:49pm 57.2 9:21am 61.5 -0.10 1.13 12:45pm -0.80 9:12am

Heat Index

61.5 62.2 4:02pm 53.7 3:49am 61.7 -0.21 1.49 9:47am -1.01 12:49am

Dew Point

54.3 55.0 4:02pm 46.5 3:49am 54.5 -0.21 1.49 9:47am -1.01 12:49am

Barom Sea-level

30.08 30.19 10:27am 30.08 4:45pm 30.09 -0.009 0.019 6:58am -0.030 1:12pm

Parameter

Month High Date Month Low Date Year High Date Year Low Date Yesterday High Yesterday Low 24 Hour Difference

Wind Direction

280 12/4/25 118 12/1/25 359 5/17/25 0 5/17/25 250 147 11

Wind Speed

0 12/1/25 0 12/1/25 0 1/1/25 0 1/1/25 0 0 0

Gust

0 12/1/25 0 12/1/25 0 1/1/25 0 1/1/25 0 0 0

In Humidity

88 12/17/25 43 12/8/25 88 12/17/25 39 6/22/25 88 60 -2

Out Humidity

100 12/1/25 70 12/4/25 100 5/6/25 6 6/18/25 100 100 0

In Temp

83.9 12/17/25 44.2 12/13/25 83.9 12/17/25 44.2 12/13/25 83.9 55.1 -0.3

Out Temp

63.6 12/17/25 34.5 12/4/25 97.4 6/18/25 34.5 12/4/25 63.6 48.6 -1.0

Barometer

30.35 12/8/25 29.97 12/2/25 30.35 12/8/25 29.50 10/13/25 30.18 30.09 -0.03

Rain

0.00 12/1/25 0.00 12/1/25 0.00 1/1/25 0.00 1/1/25 0.00 0.00 0.00

Ch 1 Temp

0.0 12/1/25 0.0 12/1/25 0.0 1/1/25 0.0 1/1/25 0.0 0.0 0.0

Ch 1 Hum

0 12/1/25 0 12/1/25 0 1/1/25 0 1/1/25 0 0 0

Ch 2 Temp

0.0 12/1/25 0.0 12/1/25 0.0 1/1/25 0.0 1/1/25 0.0 0.0 0.0

Ch 2 Hum

0 12/1/25 0 12/1/25 0 1/1/25 0 1/1/25 0 0 0

Ch 3 Temp

0.0 12/1/25 0.0 12/1/25 0.0 1/1/25 0.0 1/1/25 0.0 0.0 0.0

Ch 3 Hum

0 12/1/25 0 12/1/25 0 1/1/25 0 1/1/25 0 0 0

ET

0.00 12/1/25 0.00 12/1/25 0.00 1/1/25 0.00 1/1/25 0.00 0.00 0.00

UV Index

0.0 12/1/25 0.0 12/1/25 0.0 1/1/25 0.0 1/1/25 0.0 0.0 0.0

Solar

0 12/1/25 0 12/1/25 0 1/1/25 0 1/1/25 0 0 0

Wind Chill

63.6 12/17/25 34.5 12/4/25 96.3 6/18/25 34.5 12/4/25 63.6 48.6 -1.0

In Heat Index

89.4 12/17/25 46.5 12/13/25 89.4 12/17/25 46.5 12/13/25 89.4 57.0 -0.6

Heat Index

70.8 12/17/25 41.7 12/4/25 92.6 6/18/25 41.7 12/4/25 70.8 55.8 -1.0

Dew Point

63.6 12/17/25 34.5 12/4/25 71.1 11/10/25 17.5 6/18/25 63.6 48.6 -1.0

Barom Sea-level

30.35 12/8/25 29.97 12/2/25 30.35 12/8/25 29.50 10/13/25 30.18 30.09 -0.03

Press Altitude

-147 Daily  Rain 0.00 Degree Heating 11.2 Monthly Degree Day Cooling 0.0 Heat Index --- Beaufort Calm

Cloud Base

0 Hourly  Rain 0.00 Degree Cooling 0.0 Monthly Wind Run 0 Comfort Index Cool    

Air Density

-473 24Hr Rain 0.00 Moon Phase 29 Yearly Deg Day Heating 1802.6 Forecast    

Virtual Temp

57.1 Rain Rate 0.000 Monthly Rain 0.00 Yearly Degree Day Cooling 480.3 Station Barom Trend Steady    

Vapor Press

0.42 Wind Run 0 Monthly Deg Day Heating 345.3 Yearly Wind Run 0 Barometer Trend Steady    

Updated Automatically by Ambient Software's Virtual Weather Station  V15.00
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