As of 16:24 PDT

Weather in St. Helena, CA

90°

St. Helena, Thursday, 15 October, 16:24

Clear. Feels like 87°. High 90°, low 48°.

Pressure30.03 inHg

Wind1 mph NW

Humidity19%

Visibility6.2 mi

Dew point42°

Thu, 15October

90°/48°

Fri, 16October

92°/51°

Sat, 17October

90°/51°

Sun, 18October

77°/51°

Mon, 19October

69°/48°

Tue, 20October

68°/46°

Wed, 21October

67°/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	82°	58°	53°	48°	58°	67°	77°	82°	84°	87°	74°	63°
Feels like	82°	56°	52°	48°	57°	66°	75°	81°	82°	84°	72°	60°
Pressure, inHg	30.09	30.09	30.09	30.09	30.09	30.09	30.09	30.09	30.09	30.03	30.06	30.09
Wind, mph	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.1	1.6	1.5	2.6
Humidity, %	27%	27%	27%	27%	27%	27%	27%	27%	27%	19%	22%	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

	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°	56°	54°	51°	56°	74°	85°	91°	91°	79°	69°	62°
Feels like	56°	53°	51°	48°	53°	72°	82°	87°	87°	79°	67°	60°
Pressure, inHg	30.12	30.12	30.09	30.12	30.12	30.12	30.09	30.06	30.03	30.03	30.06	30.06
Wind, mph	1.9	1.7	1.6	1.4	1.3	1.4	2.6	1.4	1.2	1.6	1.2	1.3
Humidity, %	27%	30%	32%	35%	35%	18%	13%	11%	11%	17%	25%	29%
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	57°	55°	53°	62°	62°	78°	87°	90°	89°	80°	70°	65°
Feels like	54°	52°	50°	59°	60°	76°	83°	86°	85°	80°	68°	63°
Pressure, inHg	30.06	30.06	30.06	30.06	30.06	30.09	30.06	30.00	29.97	29.94	29.94	29.94
Wind, mph	0.2	0.3	0.3	0.3	0.4	0.8	0.5	2.4	3	1.1	1.1	1.4
Humidity, %	31%	32%	32%	33%	33%	19%	14%	12%	12%	18%	27%	38%
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	62°	60°	57°	55°	56°	70°	76°	77°	72°	63°	55°	52°
Feels like	60°	58°	55°	53°	54°	68°	75°	76°	71°	61°	54°	51°
Pressure, inHg	29.97	29.94	29.94	29.94	29.94	29.97	29.97	29.91	29.91	29.91	29.94	29.94
Wind, mph	1.4	1.2	1.3	1.1	1.1	1.4	2.3	3.6	3.1	2.2	1.5	1.9
Humidity, %	46%	53%	59%	64%	64%	39%	32%	32%	38%	60%	88%	98%
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	50°	49°	48°	48°	49°	56°	63°	69°	68°	66°	65°	60°
Feels like	49°	47°	46°	47°	48°	55°	61°	67°	66°	65°	64°	59°
Pressure, inHg	29.97	29.94	29.94	29.94	29.94	29.94	29.91	29.88	29.85	29.94	29.94	29.94
Wind, mph	2.1	1.9	1.9	1.9	1.9	2	2.1	2.4	3.6	4.3	4.3	4.3
Humidity, %	97%	96%	98%	97%	94%	63%	40%	24%	37%	48%	48%	48%
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	—	—	—

	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	62°	53°	50°	47°	51°	55°	60°	63°	65°	67°	66°	61°
Feels like	62°	52°	49°	47°	51°	55°	58°	61°	63°	65°	64°	60°
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	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5
Humidity, %	55%	55%	55%	55%	55%	55%	55%	55%	55%	55%	55%	55%
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	59°	53°	52°	51°	53°	56°	58°	61°	63°	65°	64°	60°
Feels like	59°	51°	50°	49°	52°	55°	57°	59°	62°	64°	63°	58°
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	1.8	1.8	1.8	1.8	1.8	1.8	1.8	1.8	1.8	1.8	1.8	1.8
Humidity, %	65%	65%	65%	65%	65%	65%	65%	65%	65%	65%	65%	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	—	—	—	—	—	—	—	—	—	—	—	—

See detailed hourly forecast

Sun and moon today

Day length — 11 h 14 min

Sunrise — 07:18

Sunset — 18:32

Sunrise and sunset in local time

Waxing crescent, 22%

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)