As of 09:18 PDT

Weather in St. Helena, CA

52°

St. Helena, Monday, 12 October, 09:18

Clear. Feels like 51°. High 68°, low 47°.

Pressure29.88 inHg

Wind1.7 mph SW

Humidity85%

Visibility6.2 mi

Dew point47°

Mon, 12October

68°/47°

Tue, 13October

75°/44°

Wed, 14October

85°/52°

Thu, 15October

88°/55°

Fri, 16October

92°/64°

Sat, 17October

88°/59°

Sun, 18October

83°/51°

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	59°	47°	48°	49°	52°	53°	59°	67°	67°	60°	52°	49°
Feels like	59°	47°	48°	49°	51°	52°	57°	65°	65°	57°	50°	49°
Pressure, inHg	29.88	29.88	29.88	29.88	29.88	29.88	29.88	29.88	29.88	29.88	29.94	29.94
Wind, mph	3.7	3.7	3.7	3.7	3.7	0.6	0.9	2.5	3.6	3.3	1.1	0.4
Humidity, %	56%	56%	56%	56%	56%	80%	56%	33%	33%	37%	57%	68%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	—	—	—	—	—	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	46°	45°	45°	45°	48°	61°	70°	74°	74°	66°	58°	54°
Feels like	46°	45°	43°	43°	46°	58°	68°	72°	72°	64°	55°	51°
Pressure, inHg	29.97	29.97	30.00	30.03	30.06	30.12	30.12	30.06	30.03	30.03	30.06	30.06
Wind, mph	1.1	0.9	1.6	1.9	2.5	4.9	4.5	3.5	3.1	1.2	2.1	1.2
Humidity, %	70%	70%	50%	45%	40%	28%	24%	20%	17%	22%	34%	39%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	54°	53°	53°	52°	54°	72°	81°	84°	84°	75°	64°	62°
Feels like	51°	50°	50°	49°	51°	70°	79°	81°	81°	73°	61°	59°
Pressure, inHg	30.09	30.09	30.09	30.09	30.12	30.12	30.09	30.06	30.03	30.03	30.06	30.06
Wind, mph	0.6	1.1	0.9	0.7	0.4	0.4	1.6	1.4	1.9	2.6	1.5	1.2
Humidity, %	45%	45%	44%	45%	44%	23%	16%	15%	15%	20%	30%	33%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	61°	60°	58°	56°	58°	79°	85°	88°	89°	84°	76°	72°
Feels like	58°	57°	55°	53°	55°	79°	82°	85°	85°	81°	74°	70°
Pressure, inHg	30.09	30.06	30.06	30.09	30.09	30.12	30.09	30.06	30.03	30.03	30.03	30.03
Wind, mph	0.6	0.8	0.9	1	0.9	2.3	5.5	4.3	3.9	2.9	1.8	1.8
Humidity, %	35%	36%	39%	44%	41%	18%	14%	13%	12%	15%	20%	22%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	69°	66°	65°	65°	64°	76°	82°	85°	86°	86°	83°	76°
Feels like	67°	64°	63°	62°	61°	74°	79°	82°	82°	83°	80°	73°
Pressure, inHg	30.06	30.03	30.03	30.03	30.03	30.03	30.03	30.03	30.03	30.03	30.03	30.03
Wind, mph	1.9	1.8	1.9	1.8	1.5	3.2	3.2	3.2	3.2	3.2	3.2	3.2
Humidity, %	25%	28%	28%	29%	31%	15%	15%	15%	15%	15%	15%	15%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	—	—	—	—	—	—	—

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	82°	60°	60°	61°	67°	73°	79°	82°	82°	82°	78°	71°
Feels like	82°	58°	59°	59°	65°	71°	77°	80°	80°	80°	77°	69°
Pressure, inHg	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97
Wind, mph	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.4
Humidity, %	18%	18%	18%	18%	18%	18%	18%	18%	18%	18%	18%	18%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	—	—	—	—	—	—	—	—	—	—	—	—

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	77°	52°	53°	55°	62°	68°	74°	77°	77°	77°	72°	64°
Feels like	77°	51°	52°	53°	60°	66°	73°	76°	76°	75°	71°	63°
Pressure, inHg	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97
Wind, mph	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.4
Humidity, %	26%	26%	26%	26%	26%	26%	26%	26%	26%	26%	26%	26%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	—	—	—	—	—	—	—	—	—	—	—	—

See detailed hourly forecast

Sun and moon today

Day length — 11 h 21 min

Sunrise — 07:15

Sunset — 18:36

Sunrise and sunset in local time

New moon, 2%

Sunrise — —

Sunset — —

St. Helena, CA climate by month

The annual average temperature in St. Helena, CA is 62.3°. The warmest month is July (average high 90.5°), and the coldest is January (average low 41.6°). About 28.1 inches of precipitation fall per year, most of it in January (5.6 in). Figures are 60-year climate normals and records from 66 years of observations.

Month	High	Low	Precipitation	Wet days	Record high	Record low
January	58.1°	41.6°	5.6 in	10	80.1° (2021)	20.3° (1974)
February	60.6°	43.1°	5.1 in	9	80.4° (2022)	27° (1979)
March	63.8°	45°	4.2 in	9	87.1° (1988)	29.7° (2018)
April	69.3°	47.6°	1.7 in	6	94.3° (1981)	33.6° (2023)
May	77.5°	53.2°	0.8 in	3	104.2° (1984)	37.9° (1964)
June	85.6°	58.4°	0.2 in	1	110.5° (2017)	44.6° (1972)
July	90.5°	61.1°	0.0 in	0	112.1° (1972)	50.2° (2023)
August	89.6°	61.1°	0.1 in	0	109.2° (1971)	52.3° (1976)
September	86.1°	59.6°	0.3 in	1	117.7° (2022)	45° (1986)
October	77.2°	54.6°	1.4 in	4	106° (2020)	39.7° (1971)
November	64.8°	47.2°	3.5 in	7	88.9° (2018)	32.7° (1985)
December	57.7°	42.3°	5.3 in	9	75.2° (2021)	25.5° (1990)