As of 22:07 PDT

Weather in Hartley, CA

55°

Hartley, Saturday, 31 October, 22:07

Mostly clear. Feels like 53°. High 64°, low 50°.

Pressure29.83 inHg

Wind3.4 mph SW

Humidity69%

Visibility6.2 mi

Dew point45°

See detailed hourly forecast

Monthly outlook for Hartley, CA: average high 67.3°, average low 50.8°. That is 0° below the climate normal for October. Precipitation is expected on 5 days (about 3.1 inches), against a normal of 3 days and 1.1 inches. The warmest day looks like 8 November (76.7°), the coolest 1 November (45°).

67.3°/50.8°

Average high / low

−0°

Below normal

5 / 3

Wet days / normal

3.1 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
31 October – 9 November	68.6°	68.9°	-0.2°
10 November – 19 November	65.2°	64°	+0.6°
20 November – 29 November	at normal	60.5°	—

October records over 66 years

104.4°1 October 2020All-time high

40.1°28 October 2023All-time low

Climate normals and records are computed from the nearest reference point — Vacaville (4 mi).

Sun, 0167° / 45°

0.04

67 °

Hartley, Sunday, 1 November

Light rain. High 67°, low 45°.

Pressure29.94 inHg

Wind4.8 mph N

Humidity43%

Visibility6.2 mi

Dew point40°

Mon, 0267° / 45°

67 °

Hartley, Monday, 2 November

Overcast. High 67°, low 45°.

Pressure30.18 inHg

Wind2.4 mph E

Humidity41%

Visibility6.2 mi

Dew point40°

Tue, 0357° / 46°

0.34

57 °

Hartley, Tuesday, 3 November

Rain. High 57°, low 46°.

Pressure30.09 inHg

Wind4.3 mph SE

Humidity92%

Visibility2.0 mi

Dew point53°

Wed, 0468° / 49°

68 °

Hartley, Wednesday, 4 November

Clear. High 68°, low 49°.

Pressure30.06 inHg

Wind7.9 mph N

Humidity51%

Visibility6.2 mi

Dew point45°

Thu, 0570° / 50°

70 °

Hartley, Thursday, 5 November

Clear. High 70°, low 50°.

Pressure30.09 inHg

Wind4.7 mph SE

Humidity53%

Visibility—

Dew point44°

Fri, 0669° / 51°

69 °

Hartley, Friday, 6 November

Overcast. High 69°, low 51°.

Pressure30.15 inHg

Wind3.5 mph E

Humidity58%

Visibility—

Dew point46°

Sat, 0776° / 52°

76 °

Hartley, Saturday, 7 November

Clear. High 76°, low 52°.

Pressure30.06 inHg

Wind4.8 mph NE

Humidity31%

Visibility—

Dew point34°

Sun, 0877° / 53°

77 °

Hartley, Sunday, 8 November

Overcast. High 77°, low 53°.

Pressure30.00 inHg

Wind4 mph N

Humidity29%

Visibility—

Dew point33°

Mon, 0972° / 52°

72 °

Hartley, Monday, 9 November

Overcast. High 72°, low 52°.

Pressure30.00 inHg

Wind5.5 mph SW

Humidity36%

Visibility—

Dew point37°

Tue, 1072° / 52°

72 °

Hartley, Tuesday, 10 November

Clear. High 72°, low 52°.

Pressure30.09 inHg

Wind9.7 mph SW

Humidity55%

Visibility—

Dew point47°

Wed, 1168° / 56°

0.21

68 °

Hartley, Wednesday, 11 November

Rain. High 68°, low 56°.

Pressure30.09 inHg

Wind11.1 mph SW

Humidity72%

Visibility—

Dew point54°

Thu, 1264° / 55°

64 °

Hartley, Thursday, 12 November

Overcast. High 64°, low 55°.

Pressure30.09 inHg

Wind5.8 mph SW

Humidity61%

Visibility—

Dew point48°

Fri, 1367° / 54°

0.68

67 °

Hartley, Friday, 13 November

Heavy rain. High 67°, low 54°.

Pressure29.85 inHg

Wind15 mph S

Humidity56%

Visibility—

Dew point45°

Sat, 1454° / 52°

1.83

54 °

Hartley, Saturday, 14 November

Rain. High 54°, low 52°.

Pressure29.80 inHg

Wind10 mph E

Humidity97%

Visibility—

Dew point52°

Sun, 1565° / 51°

0.01

65 °

Hartley, Sunday, 15 November

Light rain. High 65°, low 51°.

Pressure29.88 inHg

Wind8.5 mph N

Humidity65%

Visibility—

Dew point46°

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

Mon, 1664° / 48°

0.08

64 °

Hartley, Monday, 16 November

Climate normal for this date — 60-year average.

Average high64°

Average low48°

Average precipitation0.08 in

Chance of precipitation27%

Record high77° (1977)

Record low35° (2000)

Tue, 1764° / 47°

0.13

64 °

Hartley, Tuesday, 17 November

Climate normal for this date — 60-year average.

Average high64°

Average low47°

Average precipitation0.13 in

Chance of precipitation23%

Record high77° (1989)

Record low36° (1964)

Wed, 1863° / 46°

0.07

63 °

Hartley, Wednesday, 18 November

Climate normal for this date — 60-year average.

Average high63°

Average low46°

Average precipitation0.07 in

Chance of precipitation22%

Record high75° (1976)

Record low36° (1985)

Thu, 1962° / 46°

0.07

62 °

Hartley, Thursday, 19 November

Climate normal for this date — 60-year average.

Average high62°

Average low46°

Average precipitation0.07 in

Chance of precipitation20%

Record high75° (1989)

Record low34° (1964)

Fri, 2062° / 46°

0.11

62 °

Hartley, Friday, 20 November

Climate normal for this date — 60-year average.

Average high62°

Average low46°

Average precipitation0.11 in

Chance of precipitation25%

Record high74° (2015)

Record low35° (1985)

Sat, 2161° / 46°

0.12

61 °

Hartley, Saturday, 21 November

Climate normal for this date — 60-year average.

Average high61°

Average low46°

Average precipitation0.12 in

Chance of precipitation25%

Record high72° (1962)

Record low35° (1964)

Sun, 2261° / 46°

0.1

61 °

Hartley, Sunday, 22 November

Climate normal for this date — 60-year average.

Average high61°

Average low46°

Average precipitation0.1 in

Chance of precipitation27%

Record high70° (2005)

Record low34° (2022)

Mon, 2362° / 45°

0.07

62 °

Hartley, Monday, 23 November

Climate normal for this date — 60-year average.

Average high62°

Average low45°

Average precipitation0.07 in

Chance of precipitation18%

Record high76° (1995)

Record low36° (1994)

Tue, 2462° / 45°

0.08

62 °

Hartley, Tuesday, 24 November

Climate normal for this date — 60-year average.

Average high62°

Average low45°

Average precipitation0.08 in

Chance of precipitation18%

Record high75° (1995)

Record low35° (2010)

Wed, 2561° / 44°

0.05

61 °

Hartley, Wednesday, 25 November

Climate normal for this date — 60-year average.

Average high61°

Average low44°

Average precipitation0.05 in

Chance of precipitation15%

Record high74° (1995)

Record low36° (1966)

Thu, 2660° / 44°

0.05

60 °

Hartley, Thursday, 26 November

Climate normal for this date — 60-year average.

Average high60°

Average low44°

Average precipitation0.05 in

Chance of precipitation18%

Record high73° (2002)

Record low34° (2010)

Fri, 2760° / 44°

0.07

60 °

Hartley, Friday, 27 November

Climate normal for this date — 60-year average.

Average high60°

Average low44°

Average precipitation0.07 in

Chance of precipitation22%

Record high70° (1995)

Record low36° (2023)

Sat, 2859° / 43°

0.12

59 °

Hartley, Saturday, 28 November

Climate normal for this date — 60-year average.

Average high59°

Average low43°

Average precipitation0.12 in

Chance of precipitation22%

Record high72° (1995)

Record low35° (1975)

Sun, 2959° / 44°

0.13

59 °

Hartley, Sunday, 29 November

Climate normal for this date — 60-year average.

Average high59°

Average low44°

Average precipitation0.13 in

Chance of precipitation25%

Record high73° (1995)

Record low33° (2019)

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 Hartley, 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 Hartley, 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.