As of 10:10 PDT

Weather in Fairfield, CA

73°

Fairfield, Friday, 9 October, 10:10

Clear. Feels like 73°. High 83°, low 59°.

Pressure29.77 inHg

Wind17.3 mph SW

Humidity51%

Visibility6.2 mi

Dew point55°

See detailed hourly forecast

Monthly outlook for Fairfield, CA: average high 82.3°, average low 55.4°. That is 3.1° above the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 2 days and 0.6 inches. The warmest day looks like 16 October (89.9°), the coolest 11 October (49.9°).

82.3°/55.4°

Average high / low

+3.1°

Above normal

0 / 2

Wet days / normal

0.0 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
9 October – 18 October	81.2°	77.8°	+1.9°
19 October – 28 October	84.3°	73.9°	+5.8°
29 October – 7 November	at normal	69.6°	—

October records over 66 years

102.9°1 October 2020All-time high

40.5°31 October 2023All-time low

Sat, 1074° / 52°

74 °

Fairfield, Saturday, 10 October

Clear. High 74°, low 52°.

Pressure29.62 inHg

Wind10.7 mph SW

Humidity52%

Visibility6.2 mi

Dew point49°

Sun, 1175° / 50°

75 °

Fairfield, Sunday, 11 October

Clear. High 75°, low 50°.

Pressure29.50 inHg

Wind2.8 mph W

Humidity28%

Visibility6.2 mi

Dew point37°

Mon, 1272° / 50°

72 °

Fairfield, Monday, 12 October

Clear. High 72°, low 50°.

Pressure29.88 inHg

Wind1.6 mph SE

Humidity36%

Visibility6.2 mi

Dew point40°

Tue, 1377° / 51°

77 °

Fairfield, Tuesday, 13 October

Clear. High 77°, low 51°.

Pressure30.06 inHg

Wind5.7 mph NW

Humidity22%

Visibility—

Dew point26°

Wed, 1481° / 52°

81 °

Fairfield, Wednesday, 14 October

Clear. High 81°, low 52°.

Pressure30.15 inHg

Wind6.8 mph SW

Humidity26%

Visibility—

Dew point33°

Thu, 1587° / 55°

87 °

Fairfield, Thursday, 15 October

Clear. High 87°, low 55°.

Pressure30.06 inHg

Wind5.5 mph SW

Humidity13%

Visibility—

Dew point19°

Fri, 1690° / 58°

90 °

Fairfield, Friday, 16 October

Clear. High 90°, low 58°.

Pressure30.15 inHg

Wind5 mph S

Humidity15%

Visibility—

Dew point25°

Sat, 1789° / 60°

89 °

Fairfield, Saturday, 17 October

Clear. High 89°, low 60°.

Pressure30.03 inHg

Wind5.3 mph NE

Humidity15%

Visibility—

Dew point26°

Sun, 1884° / 57°

84 °

Fairfield, Sunday, 18 October

Clear. High 84°, low 57°.

Pressure29.94 inHg

Wind10 mph SW

Humidity22%

Visibility—

Dew point35°

Mon, 1979° / 53°

79 °

Fairfield, Monday, 19 October

Mostly clear. High 79°, low 53°.

Pressure29.97 inHg

Wind8 mph SW

Humidity39%

Visibility—

Dew point42°

Tue, 2088° / 54°

88 °

Fairfield, Tuesday, 20 October

Clear. High 88°, low 54°.

Pressure30.03 inHg

Wind7.2 mph SW

Humidity12%

Visibility—

Dew point20°

Wed, 2187° / 56°

87 °

Fairfield, Wednesday, 21 October

Clear. High 87°, low 56°.

Pressure30.06 inHg

Wind6.2 mph NE

Humidity11%

Visibility—

Dew point16°

Thu, 2288° / 59°

88 °

Fairfield, Thursday, 22 October

Clear. High 88°, low 59°.

Pressure29.97 inHg

Wind6.9 mph NE

Humidity11%

Visibility—

Dew point17°

Fri, 2388° / 60°

88 °

Fairfield, Friday, 23 October

Clear. High 88°, low 60°.

Pressure29.91 inHg

Wind7 mph NE

Humidity10%

Visibility—

Dew point16°

Sat, 2476° / 61°

76 °

Fairfield, Saturday, 24 October

Overcast. High 76°, low 61°.

Pressure29.94 inHg

Wind6.6 mph SW

Humidity20%

Visibility—

Dew point30°

From day 17 onward the outlook is built from 60-year climate statistics

Sun, 2573° / 53°

0.07

73 °

Fairfield, Sunday, 25 October

Climate normal for this date — 60-year average.

Average high73°

Average low53°

Average precipitation0.07 in

Chance of precipitation13%

Record high89° (2003)

Record low45° (1989)

Mon, 2673° / 52°

0.05

73 °

Fairfield, Monday, 26 October

Climate normal for this date — 60-year average.

Average high73°

Average low52°

Average precipitation0.05 in

Chance of precipitation10%

Record high89° (2003)

Record low44° (2023)

Tue, 2772° / 52°

0.02

72 °

Fairfield, Tuesday, 27 October

Climate normal for this date — 60-year average.

Average high72°

Average low52°

Average precipitation0.02 in

Chance of precipitation10%

Record high87° (2003)

Record low42° (2023)

Wed, 2871° / 51°

0.06

71 °

Fairfield, Wednesday, 28 October

Climate normal for this date — 60-year average.

Average high71°

Average low51°

Average precipitation0.06 in

Chance of precipitation15%

Record high85° (2003)

Record low43° (2004)

Thu, 2971° / 51°

0.06

71 °

Fairfield, Thursday, 29 October

Climate normal for this date — 60-year average.

Average high71°

Average low51°

Average precipitation0.06 in

Chance of precipitation20%

Record high82° (1960)

Record low42° (1971)

Fri, 3070° / 51°

0.06

70 °

Fairfield, Friday, 30 October

Climate normal for this date — 60-year average.

Average high70°

Average low51°

Average precipitation0.06 in

Chance of precipitation17%

Record high85° (2015)

Record low42° (2023)

Sat, 3171° / 51°

0.02

71 °

Fairfield, Saturday, 31 October

Climate normal for this date — 60-year average.

Average high71°

Average low51°

Average precipitation0.02 in

Chance of precipitation13%

Record high84° (1966)

Record low40° (2023)

Sun, 0171° / 51°

0.06

71 °

Fairfield, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high71°

Average low51°

Average precipitation0.06 in

Chance of precipitation13%

Record high88° (1967)

Record low39° (2019)

Mon, 0271° / 50°

0.04

71 °

Fairfield, Monday, 2 November

Climate normal for this date — 60-year average.

Average high71°

Average low50°

Average precipitation0.04 in

Chance of precipitation13%

Record high87° (1967)

Record low42° (2003)

Tue, 0370° / 50°

0.04

70 °

Fairfield, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high70°

Average low50°

Average precipitation0.04 in

Chance of precipitation12%

Record high89° (2018)

Record low38° (2022)

Wed, 0470° / 50°

0.03

70 °

Fairfield, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high70°

Average low50°

Average precipitation0.03 in

Chance of precipitation10%

Record high82° (1993)

Record low39° (1973)

Thu, 0569° / 50°

0.07

69 °

Fairfield, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high69°

Average low50°

Average precipitation0.07 in

Chance of precipitation15%

Record high83° (2020)

Record low40° (2011)

Fri, 0668° / 51°

0.07

68 °

Fairfield, Friday, 6 November

Climate normal for this date — 60-year average.

Average high68°

Average low51°

Average precipitation0.07 in

Chance of precipitation15%

Record high82° (1991)

Record low42° (1998)

Sat, 0768° / 50°

0.07

68 °

Fairfield, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high68°

Average low50°

Average precipitation0.07 in

Chance of precipitation18%

Record high81° (1991)

Record low40° (1971)

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 Fairfield, 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 Fairfield, 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.