San Diego Weather at Mission Trails

NWS Weather Forecast  -   Tonight's and Friday's Outlook for San Diego, Mission Trails

Tonight Chance Drizzle Lo 57 °F NWS forecast: A chance of drizzle after 11pm. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 57. South wind between 5 and 10 mph. WXSIM forecast: Mostly clear. Breezy and warm. High 80°. UV index up to 9. Wind southwest around 12 mph, gusting to 20 mph. Friday Chance Drizzle Hi 69 °F NWS forecast: A chance of drizzle before 11am. Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 69. South wind between 5 and 10 mph. WXSIM forecast: Clear. Moderate fog in the evening, then moderate to dense fog after midnight. Low 55°. Wind west-southwest around 5 mph in the evening, becoming south after midnight.

NWS Synopsis for San Diego

An approaching low pressure trough will bring strong and gusty westerly winds through and over the mountains...and into the deserts late this afternoon and tonight. The strong onshore flow will deepen the marine layer...and push low clouds...fog and patchy drizzle well inland by friday morning. It will be much cooler friday...then gradual warming through the weekend with a shrinking marine layer and associated clouds as high pressure rebuilds aloft. Dry with temperatures above average early next week...but some cooling is expected after monday as another upper-level trough develops over the area. ...

Trends - Last Hour

Current Conditions - Last Update: 17-May-2012 4:05pm - next update at 4:00pm  @
Summary / Temperature	Wind	Rain	Air Quality
mostly clear 75.9°F Comfortable Feels like: 76°F 24-hr difference -10.1°F   Today Yesterday High: 79.7°F 2:41pm 86.7°F 3:17pm Low: 57.4°F 6:55am 50.2°F 5:45am NWS Records:2 94.0°F 1956 48.0°F 1894	N 0.9 Gust: 6.3 0 Bft - Calm Today: 16.0 3:45pm Gust Month:   23.0   May 12	Rain Today: 0.00 in Rain Rate (/hr): 0.00 in Rain Yesterday: 0.00 in Storm Rain: 0.00 in May: 0.03 in Season Total:1 10.52 in 2 rain days in May	Current AQI 70
	Barometer	Humidity/Dew Point	Moon
	Current: 29.816 inHg 1-Hour Trend: Steady 3-Hour Trend: Falling High: 30.017  | Low:  29.805	Humidity: 60 % High: 95  | Low:  55 Dew Point: 61.0°F High: 64.9  | Low:  52.9	Waning Crescent 8% Illuminated
	UV Index Forecast	UV Index Forecast
	17 May 2012   Very High   10.2    18 May 2012   Very High   9.6    19 May 2012   Very High   9.6	20 May 2012 10.2    Very High
	Heat Index	Cooling Degree Days	Sun
	Current: 75.9°F Today: 79.7°F  2:41pm Yesterday: 88.2°F Last Week: 88.1°F Record: 133.3°F   08-Mar-2011	Today: 0.2 May: 4.6 2012 to Date: 4.7 Heating Degree Days 2012 to Date: 1104.6	Daylight: 13:54 00:02 Min
Cloud Height 3	Almanac	Station All Time Records	Fire Risk
	Sunrise: 5:47am Sunset: 7:41pm Moonrise: 3:38am Moonset: 4:58pm Full Moon: 6 May 2012 Tides (Ft.)4 Thu 17 May Low Tide: 0229 0.1 High Tide: 0833 3.9 Low Tide: 1351 1.3 High Tide: 2011 5.9	HIGHS: LOWS: 111.0°F 03-Sep-2007 26.6°F 05-Jan-2007 Record Day     96.1 F on: Jul 22 2006   45.3F on: Jan 14 2007 Record Nite(6pm-6am)   79.3F on: Sep 04 2007 32.4F on: Jan 14 2007	Chandler Burning Index Currently: 10.3 at 4:05 PM

1 Rain season: July 1st to June 30th.    2 At Miramar MCAS (KNKX).

3 Above ground at this station.    4 San Diego Harbor.

NWS Extended Forecast for Mission Trails & Surrounding Communities

Friday Night Increasing Clouds Lo 56 °F

Saturday Gradual Clearing Hi 72 °F

Saturday Night Patchy Fog Lo 57 °F

Sunday Patchy Fog Hi 74 °F

Sunday Night Patchy Fog Lo 56 °F

Monday Patchy Fog Hi 75 °F

WxSim Extended Forecast

Friday Fog a.m. High: 79°

Friday night Fog late Low: 49°

Saturday Fog a.m. High: 79°

Saturday night Fog late Low: 46°

Sunday Fog a.m. High: 86°

Sunday night Fog Low: 47°

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