As of 23:52 PDT

Weather in St. Helena, CA

49°

St. Helena, Monday, 12 October, 23:52

Clear. Feels like 49°. High 69°, low 46°.

Pressure29.97 inHg

Wind2.5 mph NW

Humidity78%

Visibility6.2 mi

Dew point42°

Mon, 12October

69°/46°

Tue, 13October

76°/44°

Wed, 14October

85°/47°

Thu, 15October

90°/57°

Fri, 16October

92°/61°

Sat, 17October

88°/60°

Sun, 18October

78°/50°

	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	66°	49°	48°	47°	52°	58°	63°	65°	64°	62°	59°	55°
Feels like	66°	49°	48°	47°	52°	57°	62°	64°	62°	61°	58°	55°
Pressure, inHg	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.91
Wind, mph	4	4	4	4	4	4	4	4	4	4	4	4
Humidity, %	45%	45%	45%	45%	45%	45%	45%	45%	45%	45%	45%	45%
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	49°	48°	46°	45°	48°	62°	71°	75°	75°	66°	58°	54°
Feels like	49°	48°	45°	42°	46°	59°	68°	73°	73°	63°	55°	51°
Pressure, inHg	29.97	29.97	30.00	30.03	30.06	30.09	30.09	30.06	30.03	30.03	30.06	30.09
Wind, mph	1.1	1	1.5	1.9	2.2	4.6	4.7	3.6	2.9	1.6	1.8	0.7
Humidity, %	78%	75%	60%	45%	42%	29%	24%	19%	17%	22%	35%	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	52°	50°	48°	48°	50°	66°	80°	84°	84°	76°	64°	62°
Feels like	49°	50°	48°	48°	47°	63°	79°	81°	81°	74°	61°	60°
Pressure, inHg	30.09	30.09	30.09	30.09	30.12	30.12	30.12	30.06	30.03	30.06	30.06	30.09
Wind, mph	0.6	0.6	0.7	0.5	0.4	0.4	1.6	1.1	1.7	2.5	1.6	1.3
Humidity, %	46%	45%	43%	44%	41%	22%	17%	15%	15%	20%	30%	32%
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°	59°	58°	57°	60°	80°	85°	90°	90°	83°	75°	70°
Feels like	58°	57°	55°	54°	57°	79°	82°	86°	86°	81°	74°	68°
Pressure, inHg	30.09	30.09	30.09	30.09	30.09	30.12	30.09	30.06	30.03	30.03	30.03	30.03
Wind, mph	0.7	0.9	0.9	1.2	1.4	3	5	3.9	3.4	1.1	1	1.6
Humidity, %	34%	36%	39%	42%	38%	17%	15%	12%	12%	16%	20%	24%
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	67°	63°	61°	61°	61°	77°	87°	92°	88°	81°	71°	68°
Feels like	65°	61°	58°	58°	59°	75°	83°	87°	84°	79°	69°	66°
Pressure, inHg	30.06	30.06	30.06	30.06	30.06	30.06	30.03	30.00	30.00	30.00	30.00	30.00
Wind, mph	1.8	1.7	1.4	1.3	1.3	2	1.8	0.9	1.7	2.2	0.9	0.6
Humidity, %	27%	31%	34%	34%	34%	22%	14%	12%	14%	20%	29%	31%
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	83°	61°	62°	63°	69°	74°	80°	83°	83°	83°	80°	72°
Feels like	83°	59°	60°	60°	66°	72°	78°	81°	81°	81°	77°	70°
Pressure, inHg	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00
Wind, mph	2.8	2.8	2.8	2.8	2.8	2.8	2.8	2.8	2.8	2.8	2.8	2.8
Humidity, %	17%	17%	17%	17%	17%	17%	17%	17%	17%	17%	17%	17%
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	71°	51°	52°	53°	58°	63°	68°	71°	72°	73°	70°	62°
Feels like	71°	49°	51°	52°	57°	62°	67°	70°	71°	72°	68°	60°
Pressure, inHg	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94
Wind, mph	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9
Humidity, %	36%	36%	36%	36%	36%	36%	36%	36%	36%	36%	36%	36%
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

Waxing crescent, 4%

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)