As of 18:11 PDT

Weather in St. Helena, CA

65°

St. Helena, Friday, 9 October, 18:11

Clear. Feels like 64°. High 79°, low 52°.

Pressure29.68 inHg

Wind5.2 mph SW

Humidity69%

Visibility6.2 mi

Dew point56°

Fri, 09October

79°/52°

Sat, 10October

74°/45°

Sun, 11October

76°/42°

Mon, 12October

72°/44°

Tue, 13October

74°/51°

Wed, 14October

81°/51°

Thu, 15October

89°/56°

	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°	53°	55°	58°	63°	69°	74°	76°	72°	68°	64°	56°
Feels like	77°	52°	54°	57°	63°	69°	75°	76°	72°	67°	63°	55°
Pressure, inHg	29.74	29.74	29.74	29.74	29.74	29.74	29.74	29.74	29.74	29.74	29.68	29.68
Wind, mph	2.7	2.7	2.7	2.7	2.7	2.7	2.7	2.7	2.7	2.7	1.6	1.8
Humidity, %	60%	60%	60%	60%	60%	60%	60%	60%	60%	60%	71%	76%
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

	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	50°	49°	48°	48°	49°	54°	65°	72°	74°	63°	54°	48°
Feels like	49°	48°	46°	46°	48°	51°	64°	71°	72°	61°	52°	48°
Pressure, inHg	29.68	29.68	29.65	29.65	29.65	29.65	29.62	29.59	29.56	29.53	29.56	29.56
Wind, mph	1.8	1.8	1.9	1.9	1.9	1.5	1.9	2.2	2.5	2.7	1.4	0.6
Humidity, %	88%	95%	90%	92%	89%	61%	40%	29%	31%	44%	63%	76%
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	45°	44°	42°	43°	46°	56°	74°	76°	74°	68°	62°	59°
Feels like	45°	44°	42°	43°	46°	53°	72°	74°	72°	66°	60°	57°
Pressure, inHg	29.53	29.53	29.50	29.50	29.50	29.50	29.47	29.44	29.47	29.53	29.56	29.62
Wind, mph	0.1	0.7	1.3	1.1	1.4	0.9	1.1	1.7	3.1	2.5	0.6	0.5
Humidity, %	82%	82%	59%	51%	55%	32%	26%	27%	30%	37%	49%	56%
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°	50°	46°	46°	63°	68°	71°	72°	63°	56°	53°
Feels like	53°	51°	49°	46°	44°	61°	66°	69°	70°	61°	55°	52°
Pressure, inHg	29.65	29.68	29.74	29.80	29.83	29.85	29.85	29.83	29.80	29.83	29.88	29.88
Wind, mph	0.6	0.6	1.5	0.6	1.9	3.5	2.9	2.3	0.4	3.6	1.4	1.4
Humidity, %	72%	66%	80%	93%	79%	35%	33%	26%	23%	56%	74%	81%
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	—	3.1 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°	51°	55°	55°	57°	63°	69°	73°	74°	69°	71°	65°
Feels like	51°	49°	52°	52°	54°	61°	66°	71°	72°	67°	69°	62°
Pressure, inHg	29.91	29.88	29.91	29.94	29.97	30.00	30.00	30.00	29.97	30.00	30.00	30.00
Wind, mph	1.6	1.3	2.1	2.9	4.7	4.3	3.7	3	1.8	0.8	4.7	4.7
Humidity, %	80%	71%	39%	38%	36%	29%	24%	20%	19%	28%	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	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	74°	57°	54°	51°	57°	64°	71°	75°	76°	76°	74°	67°
Feels like	74°	54°	51°	48°	55°	62°	69°	73°	74°	75°	72°	65°
Pressure, inHg	30.12	30.12	30.12	30.12	30.12	30.12	30.12	30.12	30.12	30.12	30.12	30.12
Wind, mph	2.9	2.9	2.9	2.9	2.9	2.9	2.9	2.9	2.9	2.9	2.9	2.9
Humidity, %	21%	21%	21%	21%	21%	21%	21%	21%	21%	21%	21%	21%
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	79°	62°	59°	56°	63°	69°	76°	81°	83°	86°	83°	75°
Feels like	79°	59°	56°	53°	61°	68°	75°	80°	82°	83°	80°	72°
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	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.3
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	—	—	—	—	—	—	—	—	—	—	—	—

See detailed hourly forecast

Sun and moon today

Day length — 11 h 27 min

Sunrise — 07:13

Sunset — 18:40

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)