Prosser, WA USA

Current Weather Conditions

05/31/2026 05:00:00 PM

Current Conditions
Outside Temperature 77.3°F
Wind Chill 77.3°F
Heat Index 76.3°F
Dew Point 47.0°F
Humidity 34%
Barometer 30.044 inHg
Barometer Trend (3 hours) -0.050 inHg
Wind 4 mph from 268° (W)
Rain Rate 0.00 in/h
UV Index 4.1
Radiation 554 W/m²
Ionizing Radiation N/A
Air Quality
32

 

Since Midnight
High Temperature
Low Temperature 		79.0°F at 04:42:35 PM
40.2°F at 05:57:41 AM
High Heat Index
Low Wind Chill 		78.2°F at 04:41:35 PM
40.2°F at 06:00:00 AM
High Humidity
Low Humidity 		82% at 06:33:41 AM
33% at 04:43:35 PM
High Dewpoint
Low Dewpoint 		49.4°F at 04:40:35 PM
31.2°F at 01:00:45 AM
High Barometer
Low Barometer 		30.187 inHg at 06:25:42 AM
30.042 inHg at 04:45:35 PM
Today's Rain 0.00 in
High Rain Rate 0.00 in/h at 12:00:03 AM
High Wind 18 mph from 230° at 12:18:59 AM
Average Wind 4 mph
RMS Wind 5 mph
Vector Average Speed
Vector Average Direction 		3 mph
275°
Lightning Strikes Today 0
High UV
Low UV 		7.5 at 12:34:36 PM
0.0 at 12:00:46 AM
ET Today 0.19 in
High Radiation
Low Radiation 		1009 W/m² at 12:40:36 PM
0 W/m² at 12:00:46 AM
High Ionizing Radiation
Low Ionizing Radiation 		0.110000 at 10:59:33 AM
0.010000 at 09:04:23 AM
High AQI
Low AQI 		49 AQI at 09:45:00 AM
18 AQI at 06:30:00 AM

 

About this weather station:
Location
Latitude: 46° 11.19' N
Longitude: 119° 49.69' W
Altitude: 682 feet

This station uses a WeatherFlow, controlled by 'WeeWX', an experimental weather software system written in Python. Weewx was designed to be simple, fast, and easy to understand by leveraging modern software concepts.

RSS feed

Smartphone formatted

WeeWX uptime: 0 days, 19 hours, 27 minutes
Server uptime: 1 day, 5 hours, 9 minutes
weewx v5.3.1

Today's Almanac
Sun
Start civil twilight: 04:33:17 AM
Sunrise: 05:11:38 AM
Transit: 12:57:03 PM
Sunset: 08:42:56 PM
End civil twilight: 09:21:25 PM
Azimuth: 265.2°
Altitude: 35.8°
Right ascension: 68.9°
Declination: 22.0°
Solstice: 06/21/2026 01:24:31 AM
Equinox: 09/22/2026 05:05:09 PM
Moon
Rise: 09:48:43 PM
Transit: 12:51:55 AM
Set: 04:50:56 AM
Azimuth: 85.5°
Altitude: -44.9°
Right ascension: 256.4°
Declination: -28.1°
New moon: 06/14/2026 07:54:04 PM
Full moon: 06/29/2026 04:56:35 PM
Phase: Full
(99% full)
temperatures heatchill outside humidity rain Lightning Strikes wind barometer Hi Wind Wind Vector Radiation UV Index Radiation AQI