Bellevue, WA Weather

King County12:59 AM PDT47.61°N, 122.20°WElevation 85 ft

Current conditions

Mostly Cloudy
52°
Mostly Cloudy
Feels like 52°
High 64°·Low 45° tonight
WindENE 4 mph
Humidity83%
Dew point47°
Pressure29.99 inHg
Cloud cover57%
UV index0 Low
Sunrise7:36 AM
Sunset6:13 PM

Observed at SEATTLE WEATHER FORECAST OFFICE · 29 min ago

Forecast

10-day
  • Tonight

    Patchy fog between 1am and 5am. Mostly cloudy. Low around 45, with temperatures rising to around 47 overnight. Northeast wind around 3 mph.

  • Tuesday

    Mostly sunny. High near 64, with temperatures falling to around 62 in the afternoon. North northeast wind around 6 mph.

  • Tuesday Night

    Mostly clear, with a low around 44. North northeast wind 1 to 5 mph.

National Weather Service forecast updated 13 hrs ago.

  1. Now Mostly Cloudy 48°
  2. 1 AM Patchy Fog 48°
  3. 2 AM Patchy Fog 48°
  4. 3 AM Mostly Cloudy 47°
  5. 4 AM Patchy Fog 47°
  6. 5 AM Mostly Cloudy 47°
  7. 6 AM Mostly Sunny 47°
  8. 7 AM Partly Sunny 46°
  9. 8 AM Partly Sunny 47°
  10. 9 AM Partly Sunny 48°
  11. 10 AM Mostly Sunny 51°
  12. 11 AM Mostly Sunny 54°
  13. 12 PM Mostly Sunny 57°
  14. 1 PM Sunny 61°
  15. 2 PM Sunny 62°
  16. 3 PM Sunny 62°
  17. 4 PM Sunny 63°
  18. 5 PM Sunny 62°
  19. 6 PM Clear 59°
  20. 7 PM Clear 57°
  21. 8 PM Mostly Clear 53°
  22. 9 PM Mostly Clear 51°
  23. 10 PM Mostly Clear 50°
  24. 11 PM Partly Cloudy 49°

10-day forecast

Details
  1. TonightOct 19 Mostly Cloudy then Patchy Fog Mostly Cloudy then Patchy Fog45°
  2. TodayOct 20 Mostly Sunny Mostly Sunny44°64°
  3. WedOct 21 Patchy Fog then Sunny Patchy Fog then Sunny46°67°
  4. ThuOct 22 Partly Sunny then Chance Light Rain Partly Sunny then Chance Light Rain32%46°61°
  5. FriOct 23 Mostly Sunny Mostly Sunny10%42°58°
  6. SatOct 24 Chance Light Rain Chance Light Rain47%44°56°
  7. SunOct 25 Chance Light Rain Chance Light Rain33%44°59°
  8. MonOct 26 Mostly Sunny then Slight Chance Light Rain Mostly Sunny then Slight Chance Light Rain22%59°
  9. TueOct 27 Cloudy Cloudy45°59°
  10. WedOct 28 Mostly sunny Mostly sunny0.03 in49°63°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Radar

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Air quality

56
Moderate
Fine particles (PM2.5)

Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Forecast

  • TueGood (33)
  • WedGood (33)
  • ThuGood (33)

Seattle-Bellevue-Kent Valley, WA reporting area · 59 min ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 7:36 AM
Sunset 6:13 PM
Daylight 10 h 37 min (−3 min 17 s tomorrow)
Waxing Gibbous · 66% lit
Moonrise 3:54 PM Moonset 1:12 AM
Full moon Oct 26 New moon Nov 8

Nearby

Forecasters' discussion

From the National Weather Service office in SEW, issued 4 hrs ago

Synopsis

Dry weather will continue across much of the region through the end of the week as a couple disturbances bypass the region. Temperatures will remain mild through the first half of the week, though a few areas next couple of mornings may see some instances of patchy fog. The next chance of precipitation comes with a potential front moving through next weekend, with snow levels dropping to around 4000 feet.

Short Term

The latest forecast remains on track this evening with no updates. A large trough offshore is digging its way south towards California today. The surface low pressure system associated with the trough will also bypass the region to the south today into Tuesday. The weather will remain largely quiet thanks to the low and trough missing the region, and also a weak upper level ridge developing in western Canada today into Wednesday. Can't rule out some patchy fog potential with the high cloud deck thinning out and calm or light/variable winds, but the coverage will likely be limited to the valleys where it is cooler tonight. Some frost may also mix in, particularly in the south interior. The high clouds will dissipate late Tuesday, which should help bump up high temperatures a few degrees, as well as into Wednesday. The best chance for a 70 will be in the south interior.

Long Term

High pressure from Wednesday will move east on Thursday. A trough with a weak cold front will pass through Thursday into Friday. The best chance of precipitation will be for areas east of I-5, up to the Cascades. Temperatures will cool down a few degrees Thursday and Friday, with more 50s for highs, and some 30s in the valleys and mountains (which may also see a couple 20s). The models into next weekend remain in disagreement as to when and where another potential low will track through the region. Some have the system moving north up into Canada, and others have it deepening off the coast of B.C. This will keep precipitation chances somewhat a "tossup" going into the weekend, although snow levels either way are expected to drop to 4,000 to 5,000 ft going into weekend.

HPR

Aviation

An upper level low will spin offshore to our SW tonight, with dry and stable weather over western WA. The flow aloft is southerly. VFR conditions expected tonight into Tuesday morning. The exception being where pockets of shallow fog develops, especially over the south Sound. Low clouds will burn off mid to late morning with VFR conditions expected on Tuesday. 33/29

KSEA...VFR conditions expected through the period. N winds 6-8 kt, becoming NE at 7-11 kt by 12-15z Tue decreasing in the evening to 4- 6 kt after 03z. Light and variable winds Tuesday night into Wednesday morning.

33/29

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.