As of 20:46 PDT

Weather in Forest Knolls, CA

57°Current weather

Forest Knolls, Saturday, 8 August, 20:46

Partly cloudy. Feels like 57°. High 85°, low 57°.

Pressure29.88 inHg
Wind1 mph N
Humidity91%
Visibility1.4 mi
Dew point54°

Monthly outlook for Forest Knolls, CA: average high 70.7°, average low 53.5°. That is 0.9° below the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 0 days and 0.0 inches. The warmest day looks like 9 August (86.7°), the coolest 19 August (51°).

70.7°/53.5°
Average high / low
−0.9°
Below normal
0 / 0
Wet days / normal
0.0 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
8 August – 17 August72.1°72.5°-0.2°
18 August – 27 August68.4°72.1°-2.1°
28 August – 6 Septemberat normal74.1°

August records over 66 years

96.6°14 August 2020All-time high
47.5°10 August 1960All-time low

Climate normals and records are computed from the nearest reference point — Marin City (14 mi).

Sun, 0987° / 57°0Clear
87 °Clear

Forest Knolls, Sunday, 9 August

Clear. High 87°, low 57°.

Pressure29.83 inHg
Wind5.2 mph SW
Humidity41%
Visibility6.2 mi
Dew point50°
Mon, 1074° / 52°0Mostly clear
74 °Mostly clear

Forest Knolls, Monday, 10 August

Mostly clear. High 74°, low 52°.

Pressure29.88 inHg
Wind7 mph SW
Humidity54%
Visibility6.2 mi
Dew point52°
Tue, 1172° / 53°0Clear
72 °Clear

Forest Knolls, Tuesday, 11 August

Clear. High 72°, low 53°.

Pressure29.91 inHg
Wind8.1 mph S
Humidity53%
Visibility6.2 mi
Dew point52°
Wed, 1267° / 54°0Mostly clear
67 °Mostly clear

Forest Knolls, Wednesday, 12 August

Mostly clear. High 67°, low 54°.

Pressure29.85 inHg
Wind9 mph S
Humidity62%
Visibility6.2 mi
Dew point53°
Thu, 1365° / 55°0Partly cloudy
65 °Partly cloudy

Forest Knolls, Thursday, 13 August

Partly cloudy. High 65°, low 55°.

Pressure29.85 inHg
Wind12.3 mph S
Humidity68%
Visibility
Dew point53°
Fri, 1466° / 54°0Clear
66 °Clear

Forest Knolls, Friday, 14 August

Clear. High 66°, low 54°.

Pressure29.97 inHg
Wind11.1 mph SW
Humidity63%
Visibility
Dew point52°
Sat, 1569° / 54°0Clear
69 °Clear

Forest Knolls, Saturday, 15 August

Clear. High 69°, low 54°.

Pressure30.03 inHg
Wind7.7 mph SW
Humidity59%
Visibility
Dew point53°
Sun, 1670° / 53°0Overcast
70 °Overcast

Forest Knolls, Sunday, 16 August

Overcast. High 70°, low 53°.

Pressure30.06 inHg
Wind7.5 mph W
Humidity53%
Visibility
Dew point50°
Mon, 1768° / 54°0Overcast
68 °Overcast

Forest Knolls, Monday, 17 August

Overcast. High 68°, low 54°.

Pressure30.06 inHg
Wind7.3 mph W
Humidity64%
Visibility
Dew point52°
Tue, 1868° / 53°0Clear
68 °Clear

Forest Knolls, Tuesday, 18 August

Clear. High 68°, low 53°.

Pressure30.06 inHg
Wind10.6 mph W
Humidity55%
Visibility
Dew point50°
Wed, 1970° / 51°0Mostly clear
70 °Mostly clear

Forest Knolls, Wednesday, 19 August

Mostly clear. High 70°, low 51°.

Pressure30.00 inHg
Wind12.9 mph W
Humidity54%
Visibility
Dew point49°
Thu, 2071° / 51°0Overcast
71 °Overcast

Forest Knolls, Thursday, 20 August

Overcast. High 71°, low 51°.

Pressure29.91 inHg
Wind7.3 mph W
Humidity52%
Visibility
Dew point50°
Fri, 2167° / 53°0Overcast
67 °Overcast

Forest Knolls, Friday, 21 August

Overcast. High 67°, low 53°.

Pressure29.88 inHg
Wind8.3 mph S
Humidity59%
Visibility
Dew point51°
Sat, 2266° / 53°0Overcast
66 °Overcast

Forest Knolls, Saturday, 22 August

Overcast. High 66°, low 53°.

Pressure29.97 inHg
Wind8.6 mph SW
Humidity63%
Visibility
Dew point51°
Sun, 2369° / 53°0Clear
69 °Clear

Forest Knolls, Sunday, 23 August

Clear. High 69°, low 53°.

Pressure29.94 inHg
Wind7 mph SW
Humidity55%
Visibility
Dew point50°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2472° / 56°0Climate normal
72 °Climate normal

Forest Knolls, Monday, 24 August

Climate normal for this date — 60-year average.

Average high72°
Average low56°
Average precipitation0 in
Chance of precipitation2%
Record high89° (2010)
Record low51° (1988)
Tue, 2572° / 56°0Climate normal
72 °Climate normal

Forest Knolls, Tuesday, 25 August

Climate normal for this date — 60-year average.

Average high72°
Average low56°
Average precipitation0 in
Chance of precipitation0%
Record high85° (1988)
Record low50° (1960)
Wed, 2673° / 55°0Climate normal
73 °Climate normal

Forest Knolls, Wednesday, 26 August

Climate normal for this date — 60-year average.

Average high73°
Average low55°
Average precipitation0 in
Chance of precipitation0%
Record high88° (2017)
Record low48° (2005)
Thu, 2774° / 56°0Climate normal
74 °Climate normal

Forest Knolls, Thursday, 27 August

Climate normal for this date — 60-year average.

Average high74°
Average low56°
Average precipitation0 in
Chance of precipitation0%
Record high93° (2017)
Record low51° (2009)
Fri, 2874° / 56°0Climate normal
74 °Climate normal

Forest Knolls, Friday, 28 August

Climate normal for this date — 60-year average.

Average high74°
Average low56°
Average precipitation0 in
Chance of precipitation0%
Record high90° (2021)
Record low51° (1960)
Sat, 2973° / 56°0Climate normal
73 °Climate normal

Forest Knolls, Saturday, 29 August

Climate normal for this date — 60-year average.

Average high73°
Average low56°
Average precipitation0 in
Chance of precipitation0%
Record high92° (1968)
Record low52° (1964)
Sun, 3073° / 57°0Climate normal
73 °Climate normal

Forest Knolls, Sunday, 30 August

Climate normal for this date — 60-year average.

Average high73°
Average low57°
Average precipitation0 in
Chance of precipitation2%
Record high92° (2025)
Record low52° (1960)
Mon, 3174° / 56°0Climate normal
74 °Climate normal

Forest Knolls, Monday, 31 August

Climate normal for this date — 60-year average.

Average high74°
Average low56°
Average precipitation0 in
Chance of precipitation3%
Record high95° (2017)
Record low51° (2002)
Tue, 0175° / 56°0Climate normal
75 °Climate normal

Forest Knolls, Tuesday, 1 September

Climate normal for this date — 60-year average.

Average high75°
Average low56°
Average precipitation0 in
Chance of precipitation2%
Record high103° (2017)
Record low50° (1973)
Wed, 0274° / 56°0Climate normal
74 °Climate normal

Forest Knolls, Wednesday, 2 September

Climate normal for this date — 60-year average.

Average high74°
Average low56°
Average precipitation0 in
Chance of precipitation2%
Record high103° (2017)
Record low51° (1975)
Thu, 0374° / 56°0Climate normal
74 °Climate normal

Forest Knolls, Thursday, 3 September

Climate normal for this date — 60-year average.

Average high74°
Average low56°
Average precipitation0 in
Chance of precipitation0%
Record high92° (2024)
Record low49° (1973)
Fri, 0474° / 56°0Climate normal
74 °Climate normal

Forest Knolls, Friday, 4 September

Climate normal for this date — 60-year average.

Average high74°
Average low56°
Average precipitation0 in
Chance of precipitation0%
Record high91° (2022)
Record low51° (1989)
Sat, 0575° / 56°0Climate normal
75 °Climate normal

Forest Knolls, Saturday, 5 September

Climate normal for this date — 60-year average.

Average high75°
Average low56°
Average precipitation0 in
Chance of precipitation0%
Record high101° (2022)
Record low49° (1969)
Sun, 0675° / 56°0Climate normal
75 °Climate normal

Forest Knolls, Sunday, 6 September

Climate normal for this date — 60-year average.

Average high75°
Average low56°
Average precipitation0 in
Chance of precipitation0%
Record high106° (2022)
Record low49° (1969)

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 Forest Knolls, 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 Forest Knolls, 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.