• Today

    Apr 19

    61°Lo 46°

    Low clouds breaking

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

    Apr 20

    59°Lo 47°

    Low clouds, then some sun

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

    Apr 21

    58°Lo 47°

    Partly sunny

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

    Apr 22

    60°Lo 47°

    A couple of showers possible

    Low ragweed pollen levels
    • Precip
      30%
    • Wind
      Speed
      18 mph
    • Cloud
      Cover
      81%
    more
  • Thu

    Apr 23

    57°Lo 46°

    Periods of sun with a t-storm

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      16 mph
    • Cloud
      Cover
      69%
    more
Next Previous
Hi 61° RealFeel® 63° Precipitation 3%

Day

N

E

S

W

  • W 7 mph
  • Gusts: 12 mph

Low clouds followed by some sun

  • Max UV Index: 7 (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 46° RealFeel® 46° Precipitation 5%

Night

N

E

S

W

  • SSW 5 mph
  • Gusts: 8 mph

Partly cloudy

  • 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

Half Moon Bay Pollen Levels - April 19

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - Apr 19

more Historical Weather Data >
  Today Normal Record 4/19/2014
High 61° 61° N/A 57°
Low 46° 43° N/A 45°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:30 AM with 13:19 of sunlight, then sets at 7:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:17 AM with 13:53 of moolight, then sets at 9:10 PM

Half Moon Bay Weather Report

San Francisco: Pleasant Conditions to Continue This Week

April 19, 2015; 6:03 AM ET

The Bay Area will see pleasant conditions hold this week with plenty of sunshine and comfortable temperatures. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps