Long-range Weather Forecast

Pacific Southwest

Annual Weather Summary
November 2007 to October 2008

Includes predictions for all or portions of California (Long Beach, Los Angeles, San Diego, San Francisco, San Jose).

Pacific Southwest Long-range Weather Region

Winter be will about two degrees above normal, on average, with the coldest periods in mid-December, mid-January, and late February. Rainfall and mountain snowfall will be above normal in the north and near normal in the south. The stormiest periods will be in late January, early February, and early and mid-March.

April will be rainier than normal in the north, with near-normal rainfall in the south. Temperatures will be near normal, on average. May will be a bit warmer than normal, with near-normal rainfall.

Summer will be about one degree above normal, on average, with the hottest periods in mid-July and early to mid- and late August. Scattered t-storms in August will bring above-normal rainfall to the south.

September and October will be warmer than normal, and hot in early and mid- to late September. Rainfall will be above normal in the north and near normal in the south.

Detailed Forecast for the Next Two Months

May 2008

Avg. Temperature: 65° (1° above avg.)
Precipitation: 0.5" (avg.)
May. 1-10: T-storms, then sunny, seasonable
May. 11-17: Scattered t-storms; seasonable coast, hot inland
May. 18-20: Sunny, seasonable
May. 21-26: Scattered showers, seasonable
May. 27-31: Sunny, then showers, cool
 

June 2008

Avg. Temperature: 69° (1° above avg.)
Precipitation: 0.1" (avg.)
Jun. 1-6: Sunny, then t-storms, seasonable
Jun. 7-14: Sunny, warm
Jun. 15-30: Sunny; cool north, warm south

Temperature and Precipitation
November 2007 to October 2008

Temperature and Precipitation Graph
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