ST. HELENA, CALIFORNIA

Home > North America > United States > California
Elevation: 170 feet Latitude: 38 26N Longitude: 122 25W

WEATHER

Monthly - Summary

Hourly Data

SELECT A DAY

Number of Records: 110,348; Date Range: 4/19/11 - 3/22/16

PRINT THIS DATA

[ ← Previous Day ]
WEATHER ALMANAC - OCTOBER 17, 2014

[ Next Day → ]

[ °C ] °F

Weather Element	Average	High	Low
Temperature	59.6 ^°F	71.6 ^°F (1:55 pm)	46.4 ^°F (1:55 am)
Dewpoint	51.6 ^°F	57.2 ^°F (6:55 pm)	46.4 ^°F (12:15 am)
Humidity	77.5 ^%	100 ^% (1:55 am)	46 ^% (3:55 pm)
Barometer	29.97 ⁱⁿ	30.01 ⁱⁿ (11:15 pm)	29.94 ⁱⁿ (3:15 pm)
Wind Speed	1.8 ^mph	6.9 ^mph (1:15 pm)

Weather Element	Average
Visibility	10 ^mi
Wind Direction	ENE (65 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	6 (Base 65)
Growing Degree Days	9 (Base 50)

Averaged from 72 records on October 17, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - OCTOBER 17, 2014

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Conditions
12:15 AM	48.2 ^°F	46.4 ^°F	93 ^%	29.97 ⁱⁿ	10.0 ^mi	Calm		Overcast
12:35 AM	48.2 ^°F	46.4 ^°F	93 ^%	29.97 ⁱⁿ	10.0 ^mi	Calm		Overcast
12:55 AM	48.2 ^°F	46.4 ^°F	93 ^%	29.97 ⁱⁿ	10.0 ^mi	North		Overcast
1:15 AM	48.2 ^°F	46.4 ^°F	93 ^%	29.97 ⁱⁿ	10.0 ^mi	North		Overcast
1:35 AM	48.2 ^°F	46.4 ^°F	93 ^%	29.98 ⁱⁿ	10.0 ^mi	Calm		Overcast
1:55 AM	46.4 ^°F	46.4 ^°F	100 ^%	29.97 ⁱⁿ	10.0 ^mi	Calm		Overcast
2:15 AM	46.4 ^°F	46.4 ^°F	100 ^%	29.97 ⁱⁿ	10.0 ^mi	Calm		Mostly Cloudy
2:35 AM	48.2 ^°F	46.4 ^°F	93 ^%	29.97 ⁱⁿ	10.0 ^mi	Calm		Partly Cloudy
2:55 AM	50.0 ^°F	48.2 ^°F	94 ^%	29.97 ⁱⁿ	10.0 ^mi	Calm		Clear
3:15 AM	48.2 ^°F	48.2 ^°F	100 ^%	29.96 ⁱⁿ	10.0 ^mi	Calm		Scattered Clouds
3:35 AM	48.2 ^°F	48.2 ^°F	100 ^%	29.96 ⁱⁿ	10.0 ^mi	Calm		Mostly Cloudy
3:55 AM	48.2 ^°F	46.4 ^°F	93 ^%	29.96 ⁱⁿ	10.0 ^mi	North (360°)	3.5 ^mph	Mostly Cloudy
4:15 AM	48.2 ^°F	46.4 ^°F	93 ^%	29.95 ⁱⁿ	10.0 ^mi	Calm		Scattered Clouds
4:35 AM	48.2 ^°F	48.2 ^°F	100 ^%	29.96 ⁱⁿ	10.0 ^mi	West (280°)	3.5 ^mph	Scattered Clouds
4:55 AM	48.2 ^°F	46.4 ^°F	93 ^%	29.95 ⁱⁿ	10.0 ^mi	Calm		Overcast
5:15 AM	48.2 ^°F	46.4 ^°F	93 ^%	29.95 ⁱⁿ	10.0 ^mi	Calm		Overcast
5:35 AM	48.2 ^°F	48.2 ^°F	100 ^%	29.96 ⁱⁿ	10.0 ^mi	Calm		Mostly Cloudy
5:55 AM	48.2 ^°F	48.2 ^°F	100 ^%	29.96 ⁱⁿ	10.0 ^mi	NNW (340°)	3.5 ^mph	Mostly Cloudy
6:15 AM	48.2 ^°F	48.2 ^°F	100 ^%	29.96 ⁱⁿ	10.0 ^mi	Calm		Overcast
6:35 AM	48.2 ^°F	48.2 ^°F	100 ^%	29.97 ⁱⁿ	10.0 ^mi	West (280°)	3.5 ^mph	Mostly Cloudy
6:55 AM	48.2 ^°F	48.2 ^°F	100 ^%	29.96 ⁱⁿ	10.0 ^mi	Calm		Overcast
7:15 AM	48.2 ^°F	48.2 ^°F	100 ^%	29.97 ⁱⁿ	10.0 ^mi	Calm		Overcast
7:35 AM	50.0 ^°F	48.2 ^°F	94 ^%	29.97 ⁱⁿ	10.0 ^mi	Calm		Overcast
7:55 AM	50.0 ^°F	50.0 ^°F	100 ^%	29.97 ⁱⁿ	10.0 ^mi	Calm		Overcast
8:15 AM	51.8 ^°F	50.0 ^°F	94 ^%	29.98 ⁱⁿ	10.0 ^mi	Calm		Overcast
8:35 AM	53.6 ^°F	50.0 ^°F	88 ^%	29.98 ⁱⁿ	10.0 ^mi	WSW (250°)	3.5 ^mph	Overcast
8:55 AM	55.4 ^°F	50.0 ^°F	82 ^%	29.99 ⁱⁿ	10.0 ^mi	Calm		Overcast
9:15 AM	55.4 ^°F	51.8 ^°F	88 ^%	30.00 ⁱⁿ	10.0 ^mi	Calm		Overcast
9:35 AM	55.4 ^°F	51.8 ^°F	88 ^%	30.00 ⁱⁿ	10.0 ^mi	Calm		Overcast
9:55 AM	57.2 ^°F	51.8 ^°F	82 ^%	30.00 ⁱⁿ	10.0 ^mi	Calm		Overcast
10:15 AM	57.2 ^°F	53.6 ^°F	88 ^%	30.00 ⁱⁿ	10.0 ^mi	Calm		Mostly Cloudy
10:35 AM	59.0 ^°F	53.6 ^°F	82 ^%	30.00 ⁱⁿ	10.0 ^mi	Calm		Overcast
10:55 AM	60.8 ^°F	53.6 ^°F	77 ^%	30.00 ⁱⁿ	10.0 ^mi	Calm		Overcast
11:15 AM	62.6 ^°F	53.6 ^°F	72 ^%	30.00 ⁱⁿ	10.0 ^mi	Calm		Overcast
11:35 AM	62.6 ^°F	53.6 ^°F	72 ^%	29.99 ⁱⁿ	10.0 ^mi	Calm		Overcast
11:55 AM	64.4 ^°F	50.0 ^°F	59 ^%	29.98 ⁱⁿ	10.0 ^mi	ESE (110°)	4.6 ^mph	Mostly Cloudy
12:15 PM	68.0 ^°F	50.0 ^°F	52 ^%	29.98 ⁱⁿ	10.0 ^mi	ESE (110°)	4.6 ^mph	Overcast
12:35 PM	68.0 ^°F	50.0 ^°F	52 ^%	29.98 ⁱⁿ	10.0 ^mi	SE (130°)	5.8 ^mph	Overcast
12:55 PM	69.8 ^°F	50.0 ^°F	49 ^%	29.97 ⁱⁿ	10.0 ^mi	ESE (120°)	3.5 ^mph	Overcast
1:15 PM	68.0 ^°F	50.0 ^°F	52 ^%	29.97 ⁱⁿ	10.0 ^mi	SE (140°)	6.9 ^mph	Overcast
1:35 PM	68.0 ^°F	50.0 ^°F	52 ^%	29.96 ⁱⁿ	10.0 ^mi	East (100°)	3.5 ^mph	Mostly Cloudy
1:55 PM	71.6 ^°F	51.8 ^°F	50 ^%	29.95 ⁱⁿ	10.0 ^mi	ESE (120°)	3.5 ^mph	Mostly Cloudy
2:15 PM	69.8 ^°F	50.0 ^°F	49 ^%	29.95 ⁱⁿ	10.0 ^mi	ESE (110°)	3.5 ^mph	Mostly Cloudy
2:35 PM	69.8 ^°F	50.0 ^°F	49 ^%	29.95 ⁱⁿ	10.0 ^mi	Calm		Overcast
2:55 PM	71.6 ^°F	51.8 ^°F	50 ^%	29.95 ⁱⁿ	10.0 ^mi	South (180°)	3.5 ^mph	Overcast
3:15 PM	71.6 ^°F	51.8 ^°F	50 ^%	29.94 ⁱⁿ	10.0 ^mi	Calm		Overcast
3:35 PM	71.6 ^°F	51.8 ^°F	50 ^%	29.94 ⁱⁿ	10.0 ^mi	SE (140°)	5.8 ^mph	Overcast
3:55 PM	71.6 ^°F	50.0 ^°F	46 ^%	29.94 ⁱⁿ	10.0 ^mi	South (170°)	5.8 ^mph	Overcast
4:15 PM	71.6 ^°F	51.8 ^°F	50 ^%	29.94 ⁱⁿ	10.0 ^mi	SE (140°)	5.8 ^mph	Overcast
4:35 PM	71.6 ^°F	53.6 ^°F	53 ^%	29.94 ⁱⁿ	10.0 ^mi	Calm		Overcast
4:55 PM	71.6 ^°F	51.8 ^°F	50 ^%	29.94 ⁱⁿ	10.0 ^mi	ESE (120°)	3.5 ^mph	Overcast
5:15 PM	71.6 ^°F	53.6 ^°F	53 ^%	29.94 ⁱⁿ	10.0 ^mi	SSW (210°)	6.9 ^mph	Overcast
5:35 PM	69.8 ^°F	55.4 ^°F	60 ^%	29.94 ⁱⁿ	10.0 ^mi	SSE (150°)	5.8 ^mph	Mostly Cloudy
5:55 PM	68.0 ^°F	55.4 ^°F	64 ^%	29.95 ⁱⁿ	10.0 ^mi	SE (140°)	3.5 ^mph	Mostly Cloudy
6:15 PM	68.0 ^°F	55.4 ^°F	64 ^%	29.95 ⁱⁿ	10.0 ^mi	SSE (150°)	6.9 ^mph	Overcast
6:35 PM	68.0 ^°F	55.4 ^°F	64 ^%	29.96 ⁱⁿ	10.0 ^mi	SE (140°)	4.6 ^mph	Mostly Cloudy
6:55 PM	66.2 ^°F	57.2 ^°F	73 ^%	29.96 ⁱⁿ	10.0 ^mi	SE (130°)	3.5 ^mph	Overcast
7:15 PM	66.2 ^°F	57.2 ^°F	73 ^%	29.97 ⁱⁿ	10.0 ^mi	SSW (200°)	3.5 ^mph	Overcast
7:35 PM	66.2 ^°F	57.2 ^°F	73 ^%	29.98 ⁱⁿ	10.0 ^mi	Calm		Overcast
7:55 PM	66.2 ^°F	57.2 ^°F	73 ^%	29.98 ⁱⁿ	10.0 ^mi	Calm		Overcast
8:15 PM	66.2 ^°F	57.2 ^°F	73 ^%	29.99 ⁱⁿ	10.0 ^mi	SW (230°)	3.5 ^mph	Overcast
8:35 PM	66.2 ^°F	57.2 ^°F	73 ^%	29.98 ⁱⁿ	10.0 ^mi	Calm		Overcast
8:55 PM	64.4 ^°F	57.2 ^°F	77 ^%	29.98 ⁱⁿ	10.0 ^mi	Calm		Overcast
9:15 PM	64.4 ^°F	57.2 ^°F	77 ^%	29.98 ⁱⁿ	10.0 ^mi	Calm		Overcast
9:35 PM	64.4 ^°F	57.2 ^°F	77 ^%	29.99 ⁱⁿ	10.0 ^mi	Calm		Mostly Cloudy
9:55 PM	64.4 ^°F	57.2 ^°F	77 ^%	29.99 ⁱⁿ	10.0 ^mi	Calm		Mostly Cloudy
10:15 PM	62.6 ^°F	57.2 ^°F	82 ^%	30.00 ⁱⁿ	10.0 ^mi	ENE (60°)	3.5 ^mph	Overcast
10:35 PM	62.6 ^°F	57.2 ^°F	82 ^%	30.00 ⁱⁿ	10.0 ^mi	Calm		Overcast
10:55 PM	64.4 ^°F	57.2 ^°F	77 ^%	30.00 ⁱⁿ	10.0 ^mi	Calm		Overcast
11:15 PM	64.4 ^°F	57.2 ^°F	77 ^%	30.01 ⁱⁿ	10.0 ^mi	Calm		Overcast
11:35 PM	62.6 ^°F	57.2 ^°F	82 ^%	30.01 ⁱⁿ	10.0 ^mi	ENE (70°)	3.5 ^mph	Overcast
11:55 PM	62.6 ^°F	57.2 ^°F	82 ^%	30.00 ⁱⁿ	10.0 ^mi	Calm		Overcast

Hourly data recorded from KO69, located miles away from St. Helena, California