As of 07:45 PDT

Weather in St. Helena, CA

51°

St. Helena, Sunday, 11 October, 07:45

Clear. Feels like 49°. High 70°, low 49°.

Pressure29.50 inHg

Wind1.9 mph W

Humidity76%

Visibility6.2 mi

Dew point43°

Sun, 11October

70°/49°

Mon, 12October

70°/47°

Tue, 13October

77°/51°

Wed, 14October

84°/51°

Thu, 15October

89°/56°

Fri, 16October

91°/61°

Sat, 17October

95°/63°

	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	63°	53°	51°	49°	51°	54°	63°	70°	68°	61°	56°	54°
Feels like	63°	51°	50°	49°	49°	52°	61°	68°	66°	59°	53°	52°
Pressure, inHg	29.53	29.53	29.53	29.53	29.50	29.50	29.53	29.53	29.53	29.56	29.62	29.65
Wind, mph	3.4	3.4	3.4	3.4	0.9	0.3	1.9	3.1	3.4	2.5	1.1	0.7
Humidity, %	45%	45%	45%	45%	76%	64%	45%	31%	35%	37%	48%	58%
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

	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°	51°	50°	47°	49°	60°	67°	70°	69°	63°	57°	53°
Feels like	51°	50°	50°	47°	49°	58°	65°	67°	67°	61°	55°	51°
Pressure, inHg	29.71	29.74	29.80	29.83	29.85	29.88	29.85	29.85	29.83	29.85	29.91	29.91
Wind, mph	0.3	0.4	1	0.5	1.1	1.3	1.8	1.5	2.3	3.6	1.4	1.1
Humidity, %	80%	92%	97%	98%	98%	35%	24%	23%	27%	38%	56%	65%
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	2.2 mi	—	1.9 mi	0.5 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	51°	51°	53°	52°	54°	64°	71°	75°	77°	72°	61°	57°
Feels like	49°	48°	50°	49°	51°	62°	69°	73°	76°	70°	59°	54°
Pressure, inHg	29.94	29.97	29.97	30.00	30.06	30.09	30.06	30.03	30.00	30.00	30.06	30.06
Wind, mph	1.1	1.3	2.1	2.1	3.2	4.2	3.6	2.5	1.6	2.2	1.7	1
Humidity, %	66%	68%	43%	44%	42%	28%	22%	18%	17%	23%	34%	40%
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	55°	53°	52°	52°	53°	71°	80°	84°	83°	74°	63°	61°
Feels like	52°	50°	49°	49°	50°	69°	78°	81°	80°	72°	61°	59°
Pressure, inHg	30.06	30.06	30.06	30.06	30.09	30.12	30.09	30.03	30.03	30.03	30.06	30.06
Wind, mph	0.8	0.8	0.6	0.6	0.6	0.6	1.7	1.1	2.5	2.6	1.4	0.7
Humidity, %	44%	47%	47%	47%	45%	23%	16%	14%	16%	24%	34%	35%
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	60°	59°	57°	57°	64°	71°	79°	83°	85°	87°	85°	78°
Feels like	57°	56°	54°	54°	61°	69°	76°	81°	82°	84°	81°	75°
Pressure, inHg	30.06	30.06	30.06	30.06	30.09	30.09	30.09	30.09	30.09	30.09	30.09	30.09
Wind, mph	0.6	0.8	0.8	0.8	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4
Humidity, %	36%	36%	40%	41%	16%	16%	16%	16%	16%	16%	16%	16%
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	—	—	—	—	—	—	—	—

	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	85°	65°	63°	61°	68°	74°	81°	85°	85°	86°	83°	76°
Feels like	85°	63°	61°	58°	65°	72°	78°	82°	82°	83°	80°	74°
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	3.3	3.3	3.3	3.3	3.3	3.3	3.3	3.3	3.3	3.3	3.3	3.3
Humidity, %	15%	15%	15%	15%	15%	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	—	—	—	—	—	—	—	—	—	—	—	—

	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	85°	67°	65°	63°	70°	76°	82°	86°	88°	90°	87°	79°
Feels like	85°	65°	63°	61°	67°	73°	79°	83°	84°	86°	83°	76°
Pressure, inHg	30.09	30.09	30.09	30.09	30.09	30.09	30.09	30.09	30.09	30.09	30.09	30.09
Wind, mph	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5
Humidity, %	19%	19%	19%	19%	19%	19%	19%	19%	19%	19%	19%	19%
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 23 min

Sunrise — 07:14

Sunset — 18:37

Sunrise and sunset in local time

New moon, 0%

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)