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As of 08:01 PDT

Weather in Guernsey Mill, CA

39°Current weather

Guernsey Mill, Wednesday, 28 October, 08:01

Clear. Feels like 39°. High 61°, low 39°.

Pressure29.97 inHg
Wind1.4 mph NE
Humidity76%
Visibility6.2 mi
Dew point34°
Thu, 2960° / 39°0Overcast
60 °Overcast

Guernsey Mill, Thursday, 29 October

Overcast. High 60°, low 39°.

Pressure29.91 inHg
Wind2.6 mph SW
Humidity35%
Visibility6.2 mi
Dew point33°
Fri, 3064° / 48°0Partly cloudy
64 °Partly cloudy

Guernsey Mill, Friday, 30 October

Partly cloudy. High 64°, low 48°.

Pressure29.91 inHg
Wind4.6 mph W
Humidity55%
Visibility6.2 mi
Dew point42°
Sat, 3162° / 46°0.05Light rain
62 °Light rain

Guernsey Mill, Saturday, 31 October

Light rain. High 62°, low 46°.

Pressure29.97 inHg
Wind1.5 mph SW
Humidity53%
Visibility6.2 mi
Dew point39°
Sun, 0154° / 48°0.24Light rain
54 °Light rain

Guernsey Mill, Sunday, 1 November

Light rain. High 54°, low 48°.

Pressure29.97 inHg
Wind4.9 mph NW
Humidity88%
Visibility—
Dew point50°
Mon, 0269° / 44°0Clear
69 °Clear

Guernsey Mill, Monday, 2 November

Clear. High 69°, low 44°.

Pressure30.12 inHg
Wind3.9 mph W
Humidity54%
Visibility—
Dew point47°
Tue, 0369° / 48°0Clear
69 °Clear

Guernsey Mill, Tuesday, 3 November

Clear. High 69°, low 48°.

Pressure30.06 inHg
Wind7.8 mph E
Humidity14%
Visibility—
Dew point13°
Wed, 0464° / 45°0Clear
64 °Clear

Guernsey Mill, Wednesday, 4 November

Clear. High 64°, low 45°.

Pressure29.88 inHg
Wind8.6 mph NW
Humidity14%
Visibility—
Dew point12°
Thu, 0558° / 43°0Overcast
58 °Overcast

Guernsey Mill, Thursday, 5 November

Overcast. High 58°, low 43°.

Pressure29.97 inHg
Wind6.3 mph W
Humidity56%
Visibility—
Dew point39°
Fri, 0658° / 43°0Overcast
58 °Overcast

Guernsey Mill, Friday, 6 November

Overcast. High 58°, low 43°.

Pressure30.00 inHg
Wind7 mph W
Humidity57%
Visibility—
Dew point39°
Sat, 0760° / 45°0.01Light rain
60 °Light rain

Guernsey Mill, Saturday, 7 November

Light rain. High 60°, low 45°.

Pressure30.00 inHg
Wind8.4 mph W
Humidity41%
Visibility—
Dew point33°
Sun, 0855° / 45°0.04Light rain
55 °Light rain

Guernsey Mill, Sunday, 8 November

Light rain. High 55°, low 45°.

Pressure30.12 inHg
Wind6.8 mph W
Humidity69%
Visibility—
Dew point42°
Mon, 0964° / 45°0Overcast
64 °Overcast

Guernsey Mill, Monday, 9 November

Overcast. High 64°, low 45°.

Pressure30.09 inHg
Wind5.2 mph E
Humidity40%
Visibility—
Dew point34°
Tue, 1058° / 45°0Overcast
58 °Overcast

Guernsey Mill, Tuesday, 10 November

Overcast. High 58°, low 45°.

Pressure30.09 inHg
Wind5.8 mph W
Humidity43%
Visibility—
Dew point34°
Wed, 1162° / 43°0Clear
62 °Clear

Guernsey Mill, Wednesday, 11 November

Clear. High 62°, low 43°.

Pressure30.06 inHg
Wind7.1 mph W
Humidity44%
Visibility—
Dew point34°
Thu, 1259° / 39°0.35Rain
59 °Rain

Guernsey Mill, Thursday, 12 November

Rain. High 59°, low 39°.

Pressure29.97 inHg
Wind10.1 mph NW
Humidity53%
Visibility—
Dew point38°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Guernsey Mill, CA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Guernsey Mill, CA since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.