Observed 12:35 PM PDT at KPSC

West Richland, WA weather

Sunny and 55°13°.

Mostly agree

Now 55°13°

Sunny

Wind: Calm; Light through 12 AM
Dew point: 39°4°; Comfortable
UV tomorrow: 3Moderate; Moderate 12–2 PM · peak 3
Air quality: 23Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.2 inHg1023 hPa; Falling · −0.06 inHg−2.1 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

8°4° cooler than this time yesterday (61°16° then, 53°12° now)

Good hours for

High 58°14° today at 5 PM
Below 50°10° tonight after 8 PM
Low 35°2° tomorrow at 7 AM
Above 50°10° tomorrow by 1 PM

This afternoonUp to 58°14° by 5 PM · Partly cloudy
TonightDown to 37°3° by 3 AM · Mostly cloudy
Tomorrow morningUp to 46°8° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 57°14° by 5 PM · Mostly cloudy
Tomorrow nightDown to 41°5° by 3 AM · rain chance 20% · Mostly cloudy
Monday morningUp to 49°9° by 11 AM · Mostly cloudy · rain chance 20%

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 12p	Mostly sunny	50°10° (likely 50°10° to 54°12°)	50°10°	0%	2 mph3 km/h from E, gusts 4 mph6 km/h	62%	25%	2
Sat 1p	Sunny	53°12° (likely 53°12° to 57°14°)	53°12°	0%	2 mph3 km/h from E, gusts 4 mph6 km/h	55%	10%	2
Sat 2p	Mostly sunny	56°13° (likely 55°13° to 59°15°)	56°13°	0%	2 mph3 km/h from E, gusts 4 mph7 km/h	50%	11%	2
Sat 3p	Partly sunny	55°13° (likely 55°13° to 60°16°)	55°13°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	50%	24%	1
Sat 4p	Cloudy	55°13° (likely 55°13° to 59°15°)	55°13°	0%	3 mph5 km/h from E, gusts 5 mph9 km/h	49%	62%	1
Sat 5p	Partly sunny	58°14° (likely 56°13° to 58°14°)	58°14°	0%	3 mph5 km/h from E, gusts 5 mph8 km/h	43%	75%	1
Sat 6p	Cloudy	54°12° (likely 52°11° to 56°13°)	54°12°	0%	2 mph3 km/h from NE, gusts 4 mph7 km/h	50%	74%	0
Sat 7p	Cloudy	50°10° (likely 49°9° to 52°11°)	50°10°	0%	2 mph3 km/h from NE, gusts 4 mph6 km/h	57%	71%	0
Sat 8p	Cloudy	48°9° (likely 47°8° to 50°10°)	48°9°	0%	2 mph3 km/h from N, gusts 4 mph6 km/h	63%	58%	0
Sat 9p	Cloudy	44°7° (likely 44°7° to 49°9°)	43°6°	0%	3 mph5 km/h from N, gusts 6 mph9 km/h	68%	72%	0
Sat 10p	Cloudy	43°6° (likely 42°6° to 48°9°)	41°5°	0%	3 mph5 km/h from N, gusts 6 mph10 km/h	71%	79%	0
Sat 11p	Cloudy	41°5° (likely 41°5° to 47°8°)	39°4°	0%	3 mph5 km/h from N, gusts 7 mph11 km/h	76%	82%	0
Sun 12a	Cloudy	40°4° (likely 40°4° to 46°8°)	38°3°	0%	3 mph5 km/h from N, gusts 6 mph9 km/h	79%	81%	0
Sun 1a	Cloudy	39°4° (likely 39°4° to 45°7°)	36°2°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	79%	79%	0
Sun 2a	Cloudy	38°3° (likely 38°3° to 45°7°)	35°2°	0%	3 mph5 km/h from N, gusts 5 mph7 km/h	82%	79%	0
Sun 3a	Cloudy	37°3° (likely 37°3° to 44°7°)	34°1°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	85%	78%	0
Sun 4a	Partly cloudy	37°3° (likely 37°3° to 43°6°)	35°2°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	87%	66%	0
Sun 5a	Cloudy	37°3° (likely 37°3° to 43°6°)	35°2°	0%	3 mph5 km/h from N, gusts 4 mph6 km/h	90%	72%	0
Sun 6a	Cloudy	36°2° (likely 36°2° to 42°6°)	34°1°	0%	3 mph5 km/h from N, gusts 4 mph6 km/h	90%	73%	0
Sun 7a	Cloudy	35°2° (likely 35°2° to 41°5°)	35°2°	0%	2 mph3 km/h from N, gusts 4 mph7 km/h	90%	75%	0
Sun 8a	Cloudy	35°2° (likely 35°2° to 41°5°)	35°2°	0%	2 mph3 km/h from N, gusts 4 mph6 km/h	92%	76%	0
Sun 9a	Cloudy	38°3° (likely 38°3° to 44°7°)	35°2°	0%	3 mph5 km/h from NW, gusts 3 mph5 km/h	84%	73%	0
Sun 10a	Mostly cloudy	43°6° (likely 43°6° to 48°9°)	41°5°	0%	3 mph5 km/h from N, gusts 7 mph12 km/h	73%	70%	1
Sun 11a	Cloudy	46°8° (likely 46°8° to 51°11°)	44°7°	0%	5 mph8 km/h from N, gusts 9 mph14 km/h	64%	75%	2
Sun 12p	Cloudy	49°9° (likely 49°9° to 55°13°)	47°8°	0%	6 mph10 km/h from N, gusts 9 mph14 km/h	56%	79%	3
Sun 1p	Cloudy	52°11° (likely 52°11° to 57°14°)	52°11°	0%	6 mph10 km/h from N, gusts 8 mph13 km/h	51%	82%	3
Sun 2p	Cloudy	55°13° (likely 54°12° to 59°15°)	55°13°	0%	6 mph10 km/h from N, gusts 8 mph13 km/h	48%	83%	2
Sun 3p	Cloudy	53°12° (likely 53°12° to 60°16°)	53°12°	0%	6 mph10 km/h from N, gusts 8 mph13 km/h	51%	83%	2
Sun 4p	Cloudy	54°12° (likely 54°12° to 61°16°)	54°12°	0%	5 mph8 km/h from N, gusts 8 mph13 km/h	50%	83%	1
Sun 5p	Cloudy	57°14° (likely 55°13° to 59°15°)	57°14°	5%	5 mph8 km/h from N, gusts 7 mph11 km/h	45%	84%	1
Sun 6p	Cloudy	54°12° (likely 52°11° to 56°13°)	54°12°	5%	5 mph8 km/h from N, gusts 6 mph9 km/h	49%	86%	0
Sun 7p	Cloudy	52°11° (likely 50°10° to 54°12°)	52°11°	5%	5 mph8 km/h from N, gusts 6 mph10 km/h	55%	85%	0
Sun 8p	Cloudy	50°10° (likely 48°9° to 52°11°)	49°9°	0%	5 mph8 km/h from NW, gusts 8 mph13 km/h	60%	82%	0
Sun 9p	Cloudy	47°8° (likely 46°8° to 52°11°)	45°7°	0%	5 mph8 km/h from NW, gusts 6 mph9 km/h	66%	82%	0
Sun 10p	Cloudy	46°8° (likely 45°7° to 52°11°)	44°7°	0%	5 mph8 km/h from NW, gusts 4 mph7 km/h	70%	65%	0
Sun 11p	Cloudy	44°7° (likely 44°7° to 50°10°)	42°6°	0%	5 mph8 km/h from W, gusts 10 mph16 km/h	76%	87%	0
Mon 12a	Cloudy	43°6° (likely 43°6° to 50°10°)	41°5°	0%	5 mph8 km/h from W, gusts 12 mph19 km/h	79%	81%	0
Mon 1a	Cloudy	43°6° (likely 43°6° to 49°9°)	41°5°	0%	5 mph8 km/h from W, gusts 14 mph22 km/h	80%	77%	0
Mon 2a	Mostly cloudy	42°6° (likely 42°6° to 49°9°)	39°4°	10%	5 mph8 km/h from W, gusts 13 mph21 km/h	84%	62%	0
Mon 3a	Clear	41°5° (likely 41°5° to 49°9°)	38°3°	10%	5 mph8 km/h from W, gusts 11 mph17 km/h	86%	31%	0
Mon 4a	Clear	41°5° (likely 40°4° to 49°9°)	38°3°	10%	5 mph8 km/h from W, gusts 9 mph14 km/h	88%	42%	0
Mon 5a	Showers	41°5° (likely 37°3° to 51°11°)	38°3°	20%	5 mph8 km/h from W, gusts 9 mph14 km/h	89%	65%	0
Mon 6a	Showers	40°4° (likely 30°−1° to 52°11°)	37°3°	20%	5 mph8 km/h from W, gusts 6 mph9 km/h	90%	64%	0
Mon 7a	Cloudy	39°4° (likely 30°−1° to 49°9°)	36°2°	20%	5 mph8 km/h from W, gusts 5 mph8 km/h	92%	76%	0
Mon 8a	Showers	40°4° (likely 30°−1° to 50°10°)	37°3°	20%	5 mph8 km/h from W, gusts 4 mph6 km/h	93%	63%	0
Mon 9a	Showers	42°6° (likely 34°1° to 54°12°)	39°4°	20%	5 mph8 km/h from W, gusts 4 mph7 km/h	89%	81%	1
Mon 10a	Showers	46°8° (likely 40°4° to 57°14°)	44°7°	20%	5 mph8 km/h from W, gusts 5 mph8 km/h	83%	91%	1
Mon 11a	Mostly cloudy	49°9° (likely 45°7° to 58°14°)	47°8°	5%	5 mph8 km/h from W, gusts 5 mph7 km/h	76%	85%	2

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Cloudy. High 58°14°, low 35°2°. Typical 61°16° / 36°2°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Partly sunny, 58°14°
  Dry
2. Evening
  6 PM–midnight
  Cloudy, 48°9°
  Dry
3. Overnight
  midnight–6 AM
  Cloudy, 37°3°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 58. East wind around 3 mph.
Tonight: Mostly cloudy. Low around 35, with temperatures rising to around 37 overnight. North wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–60°16°
Low, likely
30°−1°–38°3°
Typical high / low
61°16° / 36°2°
Wind
6 mph9 km/h, gusts 11 mph18 km/h
UV peak
3
Tomorrow, Oct 25. Cloudy. High 57°14°, low 39°4°. Typical 61°16° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 41°5°
  Dry
Official NWS forecast
Day: Patchy frost between 8am and 11am. Mostly cloudy, with a high near 57. North wind 2 to 6 mph.
Night: A slight chance of rain showers after 5am. Mostly cloudy, with a low around 39. Northwest wind around 5 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–61°16°
Low, likely
36°2°–41°5°
Typical high / low
61°16° / 36°2°
Wind
8 mph13 km/h, gusts 14 mph23 km/h
UV peak
3
Monday, Oct 26. Mostly cloudy. High 58°14°, low 37°3°. Typical 60°16° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Showers, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 44°7°
  Dry
Official NWS forecast
Day: A slight chance of rain showers before 11am. Partly sunny, with a high near 58. West wind around 6 mph. Chance of precipitation is 20%.
Night: Mostly cloudy, with a low around 37.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–62°17°
Low, likely
35°2°–47°8°
Typical high / low
60°16° / 36°2°
Wind
12 mph20 km/h, gusts 20 mph33 km/h
UV peak
3
Tuesday, Oct 27. Partly sunny. High 60°16°, low 38°3°. Typical 60°16° / 35°2°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 60.
Night: Mostly cloudy, with a low around 38.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 60°16°).
High, likely
60°16°–63°17°
Low, likely
38°3°–46°8°
Typical high / low
60°16° / 35°2°
Wind
16 mph26 km/h
UV peak
3
Wednesday, Oct 28. Partly sunny. High 58°14°, low 35°2°. Typical 59°15° / 35°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 58°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 58.
Night: Mostly cloudy, with a low around 35.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
58°14°–59°15°
Low, likely
35°2°–47°8°
Typical high / low
59°15° / 35°2°
Wind
17 mph28 km/h, gusts 30 mph49 km/h
UV peak
3
Thursday, Oct 29. Cloudy. High 54°12°, low 32°0°. Typical 58°14° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 54.
Night: A slight chance of rain showers between 11pm and 5am. Partly cloudy, with a low around 32.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
51°11°–57°14°
Low, likely
32°0°–40°4°
Typical high / low
58°14° / 35°2°
Wind
13 mph21 km/h, gusts 28 mph44 km/h
UV peak
3
Friday, Oct 30. Partly sunny. High 52°11°, low 30°−1°. Typical 58°14° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 49°9°
  Dry
3. Evening
  6 PM–midnight
  Clear, 42°5°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 34°1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 52.
Night: Partly cloudy, with a low around 30.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
47°8°–52°11°
Low, likely
29°−2°–39°4°
Typical high / low
58°14° / 35°2°
Wind
7 mph12 km/h, gusts 15 mph24 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 48°9°, low 33°1°. Typical 57°14° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 40°5°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 35°2°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
44°7°–51°11°
Low, likely
20°−7°–41°5°
Typical high / low
57°14° / 34°1°
Wind
8 mph13 km/h, gusts 14 mph23 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 53°12°, low 35°2°. Typical 57°14° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 42°5°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
48°9°–58°14°
Low, likely
29°−2°–39°4°
Typical high / low
57°14° / 34°1°
Wind
18 mph29 km/h, gusts 31 mph49 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 52°11°, low 37°3°. Typical 56°13° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 51°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 41°5°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
45°7°–59°15°
Low, likely
34°1°–40°4°
Typical high / low
56°13° / 34°1°
Wind
19 mph30 km/h, gusts 33 mph54 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 58°, low 35°.
Tomorrow
Dry, high 57°, low 39°.
Monday
Dry, high 58°, low 37°.
Rest of week
Mostly dry, highs 48–60°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (PDT) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Yakima River at Kiona

6.0 mi

Below flood stage

Level: 4.4 ft
Flow: 2,010 cfs

Forecast peak 4.5 ft Sat 11 AM

Reading from Sat 11:30 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 69% less heating than a typical week.

This week 38Typical 123

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 29
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 16 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 39°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

PASCO TRI CITIES AIRPORT · official normals 1991–2020 · records 1945–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° colder than typical.

Last 7 days vs normal

On average 1° colder than normal (daily mean temperature).

−3°−2°SunOct 18
−2°−1°MonOct 19
+2°+1°TueOct 20
−1°WedOct 21
−5°−3°ThuOct 22
+2°+1°FriOct 23
—SatOct 24

West Richland weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 28 min; Losing 3 min 3 s a day; shortest Dec 21, 1 h 51 min less
Golden hour: 5:12–6:14 PM; Morning 7:08–8:09 AM
Blue hour: 6:14–6:25 PM; Morning 6:56–7:08 AM; first light 6:56 AM

Stars tonight? Poor

Clouds most of the night (about 74% cover).

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:43 AM · rises 4:56 PM
Full moon: Oct 25
New moon: Nov 8

Looking southeast from West Richland. The highest point on the skyline is about 6,100 ft, 74 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.