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Pasco, WA 99301 Weather
Current conditions
Observed at Tri-Cities Airport · 1 hr ago
Forecast
10-day-
Tonight
Mostly clear, with a low around 42. Northwest wind around 1 mph.
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Thursday
A slight chance of rain showers after 11am. Partly sunny, with a high near 64. Southwest wind 1 to 5 mph. Chance of precipitation is 20%.
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Thursday Night
A slight chance of rain showers before 11pm. Mostly cloudy, with a low around 44. South wind 3 to 7 mph. Chance of precipitation is 20%.
National Weather Service forecast updated 6 hrs ago.
Hourly
Hourly forecast- Now52°
- 10 PM50°
- 11 PM48°
- Thu12 AM48°
- 1 AM47°
- 2 AM45°
- 3 AM44°
- 4 AM43°
- 5 AM43°
- 6 AM44°
- 7 AM43°
- 8 AM42°
- 9 AM46°
- 10 AM51°
- 11 AM54°19%
- 12 PM56°19%
- 1 PM58°19%
- 2 PM60°16%
- 3 PM61°16%
- 4 PM61°16%
- 5 PM63°15%
- 6 PM62°15%
- 7 PM59°15%
- 8 PM56°15%
10-day forecast
Details- TonightOct 21Mostly Clear42°
- ThuOct 22Slight Chance Rain Showers19%44°64°
- FriOct 23Sunny35°66°
- SatOct 24Patchy Frost then Mostly Sunny10%38°61°
- SunOct 25Slight Chance Rain Showers18%37°60°
- MonOct 26Slight Chance Rain Showers then Mostly Sunny15%36°60°
- TueOct 27Slight Chance Rain Showers15%35°59°
- WedOct 28Slight Chance Rain Showers15%58°
- ThuOct 29Partly cloudy39°60°
- FriOct 30Cloudy42°57°
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 Pasco
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Air quality
Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.
Forecast
- WedGood
- ThuGood
Kennewick, 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
MonthlyTri-Cities Area, records since 1894. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Tri-Cities 7 km
- Kennewick 5 km
- Richland 14 km
- Hermiston 48 km
- West Richland 21 km
- College Place 59 km
- Umatilla 41 km
- Finley 12 km
- Prosser 51 km
- Connell 50 km
- West Pasco 6 km
- Burbank 9 km
Forecasters' discussion
From the National Weather Service office in PDT, issued 10 hrs ago
Key Messages
- Above normal temperatures and dry conditions Today
- Return of showers and isolated thunderstorms to the eastern mountains Thursday, with breezy conditions in the lower elevations Thursday and Friday
- Moderate to High confidence (60-90%) in freezing morning temperatures Saturday
Discussion
An upper low continues spinning off of the central CA coast, with ridging across the Interior Northwest. As a result, clouds remain high across the central and eastern Oregon counties, with more sun across the Washington zones. Today will be the warmest afternoon across the broader area, and for all elevations, reaching the mid/upper 60s again over the Columbia Basin and Kittitas/Yakima Valleys, to the low/mid 70s across central Oregon/Grande Ronde Valley/John Day Basin. Another day of light and diurnally and terrain driven winds for all zones.
The next weather system will impact the winds due to pressure gradients across the Cascade gaps/Columbia River Gorge. NBM ensemble members show a range of about 50 to 75 percent offering wind advisory level , 39 mph or higher gusts Thursday evening. More mid and high cloudiness will be spreading farther north into WA Tonight and though the morning on Thursday. REFs shows light precipitation associated with a weak orographic / deformation band spreading north (southwest to northeast orientation) off the Blue Mountains, and bringing measurable (less than wetting rains) precipitation across the foothills of the Blues and into the lower Columbia Basin/central Oregon though noon. Better forcing/moisture profiles develop later Thursday and Thursday night and cool air aloft acts to increase instability and bump 3-hr QPF means to the 0.10 and locally 0.25 amounts starting mid evening Thursday in the southern Blues, and ending across the Wallowas sometime mid Friday morning.
Following the exit of the amplified trough, colder air will give another opportunity for freezing temperatures over higher populated areas of the Lower Columbia, and Yakima/Kittitas Valley zones that have not had the season ending freeze just yet. This opportunity comes Saturday morning. Blue Mt Foothills and Kittitas valley, including Walla Walla, Pendleton/Ellensburg have around a 90% chance or higher based on NBM probabilities of sub freezing temps. A bit less certainty exists as Yakima to Sunnyside falls in at about a 50 to 60 percent chance for 32 degrees or colder Saturday morning.
Aviation
VFR conditions to prevail through the period. At the very tail end of the period(16-18Z tomorrow), sites PDT/ALW/RDM/BDN may see light rain showers approach the sites. At this time, chances/confidence too low to include in TAF. Winds will be light, 12kts or less, through the period. Lawhorn/82
Pdt Watches
WA...None. OR...None.
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.