• Tonight

    Apr 18

    Lo 49°

    Mainly clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
  • Sun

    Apr 19

    75°Lo 50°

    Low clouds, then some sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Mon

    Apr 20

    72°Lo 50°

    Partly sunny and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Tue

    Apr 21

    69°Lo 51°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      3%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      45%
    more
  • Wed

    Apr 22

    68°Lo 50°

    A couple of showers possible

    Ragweed Pollen Weather
    • Precip
      30%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      69%
    more
Next Previous
Hi 75° RealFeel® 81° Precipitation 2%

Day

N

E

S

W

  • NNW 6 mph
  • Gusts: 16 mph

Pleasant with some clouds, then sunshine

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 49° RealFeel® 51° Precipitation 2%

Night

N

E

S

W

  • SSE 5 mph
  • Gusts: 14 mph

Mainly clear

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

Cupertino Pollen Levels - April 18

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2014
High 75° 70° 86° (1999) 71°
Low 49° 49° 30° (1893) 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:30 AM with 13:16 of sunlight, then sets at 7:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:32 AM with 13:28 of moolight, then sets at 8:00 PM

Cupertino Weather Report

San Francisco: Pleasant Conditions to Hold into New Week

April 19, 2015; 12:11 AM ET

The Bay area will see pleasant conditions hold into the new week with plenty of sunshine and comfortable temperatures. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps