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Bonney Lake, WA 98391 Weather
Current conditions
Observed at Pierce County-Thun Field · 1 hr ago
Forecast
10-day-
Saturday
Cloudy. High near 57, with temperatures falling to around 55 in the afternoon. Northwest wind around 3 mph.
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Saturday Night
Rain likely after 11pm. Mostly cloudy, with a low around 41. Southeast wind around 3 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
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Sunday
Rain likely. Mostly cloudy, with a high near 58. Northwest wind around 2 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
National Weather Service forecast updated 1 day ago.
Hourly
Hourly forecast- Now42°
- 11 AM45°
- 12 PM47°
- 1 PM51°
- 2 PM53°
- 3 PM55°
- 4 PM56°
- 5 PM55°11%
- 6 PM54°11%
- 7 PM51°11%
- 8 PM48°11%
- 9 PM46°11%
- 10 PM46°11%
- 11 PM45°35%
- Sun12 AM44°35%
- 1 AM44°35%
- 2 AM43°35%
- 3 AM43°35%
- 4 AM42°35%
- 5 AM42°56%
- 6 AM41°56%
- 7 AM41°56%
- 8 AM41°56%
- 9 AM42°56%
Daily forecast
Details- FriOct 23Mostly Sunny35°56°
- TodayOct 24Cloudy56%41°57°
- SunOct 25Light Rain Likely56%42°58°
- MonOct 26Chance Light Rain29%40°57°
- TueOct 27Chance Light Rain37%39°56°
- WedOct 28Chance Light Rain37%37°56°
- ThuOct 29Slight Chance Light Rain20%35°56°
- FriOct 30Cloudy45°61°
- SatOct 31Partly cloudy46°62°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news near Bonney Lake
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Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Forecast
- SatGood (33)
- SunGood (33)
- MonGood (33)
Cascades of East King County, WA reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyMcmillin Reservoir, records since 1941. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
Forecasters' discussion
From the National Weather Service office in SEW, issued 8 hrs ago
Synopsis
A low pressure system will descend from British Columbia tonight into Sunday, bringing precipitation to Western Washington. Conditions look to remain cooler and unsettled next week as additional systems move through the area.
Short Term
High clouds starting to stream overhead across Western Washington early this morning. Temperatures continue to drop as well, with the latest observations showing temperatures in the low 30s to low 40s. A frontal system associated associated with a low pressure system just off the coast of British Columbia will move south into Western Washington this evening. Light precipitation is expected with this system, with rain reaching the coastline this evening and then filling into the interior by Sunday morning. The bulk of the precipitation is expected along the coast and the Olympics. The parent upper level low is expected to continue its southward track Sunday into Monday. The majority of models favor the center of the low pressure system moving into Oregon, which should render drier conditions for the region. However, shall center of the low track more towards the Oregon/Washington border, it may keep light showers in the forecast for Monday.
High temperatures in the mid to upper 50s. Low temperatures in the in the low 30s to low 40s increasing to the upper 30s to mid 40s by Monday.
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Long Term
Conditions look to remain generally unsettled into Friday. There is general agreement among ensemble guidance a broad upper level trough will remain situated over the region Tuesday with a low pressure system to the north. Models are now trending wetter on Wednesday and Thursday, as the low pressure system moves southward. Cooler temperatures expected next week, with the coldest temperatures expected late in the week; high temperatures in the low to mid 50s and low temperatures in the low 30s to low 40s.
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Aviation
Westerly flow aloft will shift southwesterly and increase today as an upper trough digs southward into the Washington offshore waters. Areas of LIFR low clouds and surface visibilities below 3SM along the coast and across the Southwest Interior will dissipate by around 18Z as high and mid level moisture increases areawide ahead of the incoming system. Ceilings will lower to MVFR in light rain at times along the coast and across the far North Interior by around 00Z. After low clouds dissipate this morning, ceilings are expected to remain VFR across the interior from around KPAE southward into this evening.
KSEA...Confidence in VFR conditions this morning remains fairly high as temp/dew point trend and arrival of high clouds with incoming system limit any low cloud development. High and mid level clouds will lower and thicken through the day, but are expected to remain well within VFR thresholds. Surface winds southeasterly generally 7 knots or less this morning are expected to back to a more E/NE direction later this afternoon and evening as offshore system gets a little closer to the region.
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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 4Search index and reflects what the press published. Terms of use.