• Tonight

    Apr 20

    Lo 40°

    Overcast with a touch of rain

    Beach & Pool Weather
    • UV
      4 - Moderate
    • Cloud
      Cover
      88%
    • Precip
      35%
    more
  • Mon

    Apr 21

    57°Lo 42°

    An afternoon shower

    Poor at the beach or pool
    • UV
      3 - Moderate
    • Cloud
      Cover
      91%
    • Precip
      58%
  • Tue

    Apr 22

    56°Lo 38°

    Mostly cloudy with a shower

    Poor at the beach or pool
    • UV
      4 - Moderate
    • Cloud
      Cover
      82%
    • Precip
      55%
    more
  • Wed

    Apr 23

    55°Lo 42°

    Mostly cloudy with a shower

    Poor at the beach or pool
    • UV
      5 - Moderate
    • Cloud
      Cover
      76%
    • Precip
      40%
    more
  • Thu

    Apr 24

    56°Lo 42°

    Periods of rain

    Poor at the beach or pool
    • UV
      5 - Moderate
    • Cloud
      Cover
      79%
    • Precip
      67%
    more
Next Previous
Hi 57° RealFeel® 60° Precipitation 58%

Day

N

E

S

W

  • NE 3 mph
  • Gusts: 4 mph

Rather cloudy with a shower in the afternoon

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.06 in
  • Rain: 0.06 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 42° RealFeel® 37° Precipitation 75%

Night

N

E

S

W

  • SW 4 mph
  • Gusts: 8 mph

Rather cloudy with a couple of showers

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.32 in
  • Rain: 0.32 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs

Friday Harbor Tide Table - Apr 21

See all tide tables >
Low 4:51 AM 5.4 ft
High 8:38 AM 6 ft
Low 4:18 PM -0.6 ft

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 57° N/A 66° (2004) 52°
Low 42° N/A 28° (1951) 40°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 14:01 of sunlight, then sets at 8:12 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:54 AM with 9:43 of moolight, then sets at 11:37 AM

Top Story

Friday Harbor Weather Report

More Rain Coming Back to Seattle

April 20, 2014; 8:40 PM ET

More showers and rain are expected this week in the Seattle area. more >

What's that Warning? Warnings at the Beach

Jul 25, 2012; 5:00 AM ET If you're headed to the beach, keep an eye out for any of these watches and warnings issued by the NWS.

Mon. Beach & Pool

Mon. UV Index

Mon. Wind Maps