• Wed

    Feb 17

    63°Lo 46°

    Rain possible in the p.m.

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Feb 18

    61°Lo 44°

    Cloudy with a chance of rain

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Fri

    Feb 19

    63°Lo 44°

    Clouds and limited sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Feb 20

    69°Lo 47°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Feb 21

    73°Lo 50°

    Periods of clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 61° RealFeel® 58° Precipitation 35%

Day

N

E

S

W

  • SSE 12 mph
  • Gusts: 16 mph

Cloudy with a chance of rain

  • Max UV Index: 1 (Low)
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 44° RealFeel® 43° Precipitation 55%

Night

N

E

S

W

  • SE 5 mph
  • Gusts: 9 mph

Mostly cloudy; a little rain in the evening followed by a shower in spots late

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.03 in
  • Rain: 0.03 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Feb 18

more Historical Weather Data >
  Today Normal Record 2/18/2015
High 61° 63° 80° (1977) 65°
Low 44° 42° 26° (1956) 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:56 AM with 10:55 of sunlight, then sets at 5:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:20 PM with 14:24 of moolight, then sets at 4:44 AM

Napa Weather Report

San Francisco: Record-challenging warmth to return early next week

February 12, 2016; 5:05 PM ET

Dry and unseasonably warm conditions will continue in San Francisco next week with another shot of record-breaking warmth. more >