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Summary / Temperature Wind Rain Outlook
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Currently: 77.2, Max: 78.0, Min: 48.3 77.2°F
Warmer 3.9°F than last hour.

Comfortable

Feels like: 77°F

24-hr difference
4.2°FWarmer 4.2°F than yesterday at this time.
  Today Yesterday
High: 78.0°F
11:09am
77.2°F
1:07pm
Low: 48.3°F
6:19am
52.7°F
11:56pm
 Wind from WSW WSW
2.9
Gust:
1.4 mph
2 Bft - Light Air
Today: 11.5 mph 8:20am
Gust Month: 15.4 mph May 8
Rain Today: 0.00 in
Rain Rate (/hr): 0.000 in
Rain Yesterday: 0.00 in
Storm Rain: 0.00 in
This Month: 1.25 in
Season Total: 18.86 in
5 rain days in May.
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 51 % Decreased 6.0% since last hour.
Dew Point: 57.7°F Increased 0.4°F since last hour.
Barometer: 30.005 inHg Falling 0.03  inHg/hr
3-Hr Trend: Falling
Sunrise: 5:42am
Sunset: 7:48pm
Moonrise: 8:45am
Moonset: 9:59pm
Waxing Crescent
Waxing Crescent, Moon at 3 days in cycle
13%
Illuminated
UV Index Forecast UV Index Forecast
28-May-2017
9.3     Very High 
29-May-2017
9.1     Very High 
 NWS Forecast - Mission Trails  - Outlook: Today & Tonight
Today

Today: Sunny
Sunny

Hi 73 °F
NWS Mission Trails: Sunny, with a high near 73. West northwest wind around 10 mph.

WXSIM forecast: Partly to mostly sunny in the morning, becoming sunny in the afternoon. High 82°. UV index up to 9. Wind west around 6 mph in the morning, becoming 13 mph in the afternoon.
 
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy

Lo 56 °F
NWS Mission Trails: Mostly cloudy, with a low around 56. West northwest wind 1 to 8 mph.


WXSIM forecast: Clear in the evening, becoming fair to partly cloudy after midnight. Low 52°. Wind west around 5 mph in the evening, becoming north near calm after midnight.

Regional Radar Current Fronts
Images courtesy of Weather Underground.

Weather Story

Current National Weather

Current National Weather

Von Karman Vortex Streets in the Pacific Ocean

Von Karman Vortex Streets in the Pacific Ocean

Yesterday, May 24, 2017, the Visible Infrared Imaging Radiometer Suite (aka VIIRS) instrument aboard NOAA/NASA Suomi NPP captured this true-color image of a cloud street below Isla Guadalupe, to the west of the Baja Peninsula. Cloud streets typically form long straight lines over large flat areas of the ocean. However, geological features, like islands and volcanoes, can disrupt the flow of the wind and create spiral patterns, not dissimilar to the way large boulders create downstream eddies in rivers. The spirals, called von Karman vortex streets, were named after Theodore von Karman, a co-founder of NASA's Jet Propulsion Laboratory, who was one of the first scientists to describe this type of atmospheric phenomenon.

HiRes Image

Courtesy of NOAA Environmental Visualization Laboratory