Weather for Prosser, Washington
Current Weather
36°F
Conditions: Clear
Humidity: 82%
Feels Like: 31.6°F
Wind: WNW 5.1 mph
Wind Gusts: 10.8 mph
Humidity: 82%
Feels Like: 31.6°F
Wind: WNW 5.1 mph
Wind Gusts: 10.8 mph
Pressure: 30.13 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast
Tue
H: 60°F
L: 31°F
Wed
H: 64°F
L: 35°F
Thu
H: 62°F
L: 37°F
Fri
H: 66°F
L: 39°F
Sat
H: 65°F
L: 44°F
Air Quality
AQI:
1 - Good
PM2.5:
6.35 μg/m3
PM10:
6.55 μg/m3
Carbon Monoxide: 175.85 μg/m3
Nitrogen Dioxide: 9.95 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 35 μg/m3
Nitrogen Dioxide: 9.95 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 35 μg/m3
Astronomical
Sunrise: 7:15 AM
Sun Transit: 12:44 AM
Sunset: 6:14 PM
Daylight: 10 hrs 59 mins
Sun Transit: 12:44 AM
Sunset: 6:14 PM
Daylight: 10 hrs 59 mins
Moonrise: 12:36 AM
Moon Transit: 7:47 AM
Moonset: 3:42 PM
Moon Phase: Last Quarter
Moon Illumination: 39.8%
Moon Transit: 7:47 AM
Moonset: 3:42 PM
Moon Phase: Last Quarter
Moon Illumination: 39.8%
Best Times for Fishing or Hunting
Major Periods
7:17 AM - 9:47 AM3:36 PM - 6:06 PM
Minor Periods
3:12 PM - 4:42 PM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Freeze Warning issued October 14 at 1:49PM PDT until October 15 at 9:00AM PDT by NWS Pendleton OR
Effective: Tue October 14, 2025, 8:49 PM
Expires: Wed October 15, 2025, 4:00 PM
* WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Lower Columbia Basin of Oregon and Washington, Foothills of the Northern Blue Mountains of Oregon, and Yakima Valley. * WHEN...From 11 PM this evening to 9 AM PDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold.
Freeze Warning issued October 14 at 1:49PM PDT until October 15 at 9:00AM PDT by NWS Pendleton OR
Effective: Tue October 14, 2025, 8:49 PM
Expires: Wed October 15, 2025, 4:00 PM
* WHAT...Sub-freezing temperatures as low as 22 expected. * WHERE...Kittitas Valley. * WHEN...From 11 PM this evening to 9 AM PDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold.
Tuesday, October 14, 2025
Weather Forecast
Conditions: Sunny
Average Temperature: 44.1°F
Average Humidity: 64%
Average Temperature: 44.1°F
Average Humidity: 64%
Chance of Rain: 0%
Wind: 8.5 mph
UV Index: 0.6
Wind: 8.5 mph
UV Index: 0.6
Air Quality
AQI:
1 - Good
PM2.5:
4.25 μg/m3
PM10:
4.38 μg/m3
Carbon Monoxide: 176.93 μg/m3
Nitrogen Dioxide: 5.9 μg/m3
Sulphur Dioxide: 2.14 μg/m3
Ozone: 52.04 μg/m3
Nitrogen Dioxide: 5.9 μg/m3
Sulphur Dioxide: 2.14 μg/m3
Ozone: 52.04 μg/m3
Astronomical
Sunrise: 7:15 AM
Sun Transit: 12:44 AM
Sunset: 6:14 PM
Daylight: 10 hrs 59 mins
Sun Transit: 12:44 AM
Sunset: 6:14 PM
Daylight: 10 hrs 59 mins
Moonrise: 12:36 AM
Moon Transit: 7:47 AM
Moonset: 3:42 PM
Moon Phase: Last Quarter
Moon Illumination: 39.8%
Moon Transit: 7:47 AM
Moonset: 3:42 PM
Moon Phase: Last Quarter
Moon Illumination: 39.8%
Best Times for Fishing or Hunting
Major Periods
7:17 AM - 9:47 AM3:36 PM - 6:06 PM
Minor Periods
3:12 PM - 4:42 PM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Wednesday, October 15, 2025
Weather Forecast
Conditions: Sunny
Average Temperature: 47.4°F
Average Humidity: 54%
Average Temperature: 47.4°F
Average Humidity: 54%
Chance of Rain: 0%
Wind: 7.6 mph
UV Index: 0.7
Wind: 7.6 mph
UV Index: 0.7
Air Quality
AQI:
1 - Good
PM2.5:
5.48 μg/m3
PM10:
5.77 μg/m3
Carbon Monoxide: 204.37 μg/m3
Nitrogen Dioxide: 7.73 μg/m3
Sulphur Dioxide: 2.02 μg/m3
Ozone: 57.68 μg/m3
Nitrogen Dioxide: 7.73 μg/m3
Sulphur Dioxide: 2.02 μg/m3
Ozone: 57.68 μg/m3
Astronomical
Sunrise: 7:17 AM
Sun Transit: 12:44 AM
Sunset: 6:12 PM
Daylight: 10 hrs 55 mins
Sun Transit: 12:44 AM
Sunset: 6:12 PM
Daylight: 10 hrs 55 mins
Moonrise: 12:53 AM
Moon Transit: 8:38 AM
Moonset: 4:07 PM
Moon Phase: Last Quarter
Moon Illumination: 29.1%
Moon Transit: 8:38 AM
Moonset: 4:07 PM
Moon Phase: Last Quarter
Moon Illumination: 29.1%
Best Times for Fishing or Hunting
Major Periods
8:08 AM - 10:38 AM4:26 PM - 6:56 PM
Minor Periods
3:37 PM - 5:07 PM12:23 AM - 1:53 AM
Action Rating: 2 out of 5
Thursday, October 16, 2025
Weather Forecast
Conditions: Cloudy
Average Temperature: 48.9°F
Average Humidity: 55%
Average Temperature: 48.9°F
Average Humidity: 55%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 0.6
Wind: 8.7 mph
UV Index: 0.6
Air Quality
AQI:
1 - Good
PM2.5:
7.36 μg/m3
PM10:
7.62 μg/m3
Carbon Monoxide: 205.01 μg/m3
Nitrogen Dioxide: 12.93 μg/m3
Sulphur Dioxide: 2.11 μg/m3
Ozone: 48.04 μg/m3
Nitrogen Dioxide: 12.93 μg/m3
Sulphur Dioxide: 2.11 μg/m3
Ozone: 48.04 μg/m3
Astronomical
Sunrise: 7:18 AM
Sun Transit: 12:44 AM
Sunset: 6:10 PM
Daylight: 10 hrs 52 mins
Sun Transit: 12:44 AM
Sunset: 6:10 PM
Daylight: 10 hrs 52 mins
Moonrise: 2:07 AM
Moon Transit: 9:24 AM
Moonset: 4:27 PM
Moon Phase: Last Quarter
Moon Illumination: 19.4%
Moon Transit: 9:24 AM
Moonset: 4:27 PM
Moon Phase: Last Quarter
Moon Illumination: 19.4%
Best Times for Fishing or Hunting
Major Periods
8:54 AM - 11:24 AM5:11 PM - 7:41 PM
Minor Periods
3:57 PM - 5:27 PM1:37 AM - 3:07 AM
Action Rating: 2 out of 5
Friday, October 17, 2025
Weather Forecast
Conditions: Sunny
Average Temperature: 50.3°F
Average Humidity: 66%
Average Temperature: 50.3°F
Average Humidity: 66%
Chance of Rain: 0%
Wind: 5.6 mph
UV Index: 0.7
Wind: 5.6 mph
UV Index: 0.7
Air Quality
AQI:
1 - Good
PM2.5:
4.07 μg/m3
PM10:
4.55 μg/m3
Carbon Monoxide: 160.89 μg/m3
Nitrogen Dioxide: 5.8 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 60.12 μg/m3
Nitrogen Dioxide: 5.8 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 60.12 μg/m3
Astronomical
Sunrise: 7:19 AM
Sun Transit: 12:44 AM
Sunset: 6:08 PM
Daylight: 10 hrs 49 mins
Sun Transit: 12:44 AM
Sunset: 6:08 PM
Daylight: 10 hrs 49 mins
Moonrise: 3:18 AM
Moon Transit: 10:07 AM
Moonset: 4:43 PM
Moon Phase: Waning Crescent
Moon Illumination: 11.3%
Moon Transit: 10:07 AM
Moonset: 4:43 PM
Moon Phase: Waning Crescent
Moon Illumination: 11.3%
Best Times for Fishing or Hunting
Major Periods
5:53 PM - 8:23 PM9:37 AM - 12:07 AM
Minor Periods
4:13 PM - 5:43 PM2:48 AM - 4:18 AM
Action Rating: 4 out of 5
Saturday, October 18, 2025
Weather Forecast
Conditions: Sunny
Average Temperature: 53.2°F
Average Humidity: 49%
Average Temperature: 53.2°F
Average Humidity: 49%
Chance of Rain: 0%
Wind: 5.8 mph
UV Index: 0.6
Wind: 5.8 mph
UV Index: 0.6
Air Quality
AQI:
1 - Good
PM2.5:
3.92 μg/m3
PM10:
4.86 μg/m3
Carbon Monoxide: 162.62 μg/m3
Nitrogen Dioxide: 7.62 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 55.08 μg/m3
Nitrogen Dioxide: 7.62 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 55.08 μg/m3
Astronomical
Sunrise: 7:21 AM
Sun Transit: 12:44 AM
Sunset: 6:07 PM
Daylight: 10 hrs 46 mins
Sun Transit: 12:44 AM
Sunset: 6:07 PM
Daylight: 10 hrs 46 mins
Moonrise: 4:27 AM
Moon Transit: 10:49 AM
Moonset: 4:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.2%
Moon Transit: 10:49 AM
Moonset: 4:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.2%
Best Times for Fishing or Hunting
Major Periods
6:34 PM - 9:04 PM10:19 AM - 12:49 AM
Minor Periods
4:28 PM - 5:58 PM3:57 AM - 5:27 AM
Action Rating: 4 out of 5
The times presented here are based upon the solunar theory, which is the idea that the movements of
fish and other animals are affected by the location of the sun and moon. The major periods are
believed to be the times of the greatest animal activity and occur when the moon is directly
overhead or underfoot (lunar transits). The minor periods also see increased activity and
occur when the moon is rising or setting. The strongest activity occurs during full or new moons,
and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.