Prosser Weather Forecast 15 Days, Weather in Prosser Today
Current weather conditions and 15 day weather forecast for Prosser, Washington, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Prosser
| 11 May 2026 Monday 17.2 ° C / 63°F  Clear |
Feels Like : 17.2 ° C / 63°F Humidity : % 40 Pressure : 1017 mb Wind Speed : 9.4 kmph / 5.8 miles from W  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Prosser, WA, USA
Weather Forecast for next 15 Days for Prosser including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Prosser, Washington state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 May 2026 Sunday | Sunny |
9.9 ° C (49.8°F) |
28.1 ° C (82.6°F) |
19.1 ° C (66.3°F) |
% 39 | 0% | 5.7 | Sunrise:05:33 AM Sunset: 08:19 PM |
Moonrise:02:39 AM Moonset: 01:09 PM Moon Phase ( Waning Crescent ) |
|
| 11 May 2026 Monday | Sunny |
11.4 ° C (52.5°F) |
24.4 ° C (75.9°F) |
17.6 ° C (63.6°F) |
% 41 | 0% | 6.8 | Sunrise:05:31 AM Sunset: 08:20 PM |
Moonrise:02:58 AM Moonset: 02:21 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday | Sunny |
11.9 ° C (53.4°F) |
27.6 ° C (81.8°F) |
19.9 ° C (67.9°F) |
% 36 | 0% | 7 | Sunrise:05:30 AM Sunset: 08:22 PM |
Moonrise:03:16 AM Moonset: 03:36 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday |  Partly Cloudy |
15.5 ° C (59.9°F) |
29.5 ° C (85°F) |
21.9 ° C (71.4°F) |
% 39 | 0% | 5 | Sunrise:05:29 AM Sunset: 08:23 PM |
Moonrise:03:34 AM Moonset: 04:53 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Sunny |
11.3 ° C (52.4°F) |
26 ° C (78.8°F) |
19.1 ° C (66.4°F) |
% 38 | 0% | 6.4 | Sunrise:05:27 AM Sunset: 08:24 PM |
Moonrise:03:53 AM Moonset: 06:14 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Sunny |
8.8 ° C (47.8°F) |
22.4 ° C (72.4°F) |
13.9 ° C (57°F) |
% 47 | 0% | 0 | Sunrise:05:26 AM Sunset: 08:25 PM |
Moonrise:04:17 AM Moonset: 07:41 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Sunny |
7.2 ° C (44.9°F) |
18.9 ° C (66.1°F) |
13 ° C (55.4°F) |
% 38 | 0% | 4 | Sunrise:05:25 AM Sunset: 08:27 PM |
Moonrise:04:48 AM Moonset: 09:08 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Sunny |
5.3 ° C (41.6°F) |
21.9 ° C (71.4°F) |
14 ° C (57.1°F) |
% 37 | 0% | 4 | Sunrise:05:24 AM Sunset: 08:28 PM |
Moonrise:05:30 AM Moonset: 10:29 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Sunny |
8.4 ° C (47.1°F) |
26.2 ° C (79.1°F) |
17.5 ° C (63.6°F) |
% 37 | 0% | 5 | Sunrise:05:23 AM Sunset: 08:29 PM |
Moonrise:06:25 AM Moonset: 11:37 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Sunny |
10.5 ° C (50.8°F) |
28.5 ° C (83.4°F) |
19.7 ° C (67.4°F) |
% 36 | 0% | 5 | Sunrise:05:22 AM Sunset: 08:30 PM |
Moonrise:07:36 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Partly Cloudy |
11.4 ° C (52.6°F) |
28.2 ° C (82.8°F) |
19.8 ° C (67.6°F) |
% 32 | 0% | 5 | Sunrise:05:21 AM Sunset: 08:31 PM |
Moonrise:08:56 AM Moonset: 12:29 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Sunny |
11.5 ° C (52.8°F) |
29.8 ° C (85.7°F) |
21.1 ° C (69.9°F) |
% 32 | 0% | 6 | Sunrise:05:20 AM Sunset: 08:32 PM |
Moonrise:10:18 AM Moonset: 01:06 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Sunny |
13 ° C (55.5°F) |
26.9 ° C (80.5°F) |
18.8 ° C (65.9°F) |
% 43 | 0% | 5 | Sunrise:05:19 AM Sunset: 08:33 PM |
Moonrise:11:38 AM Moonset: 01:34 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Sunny |
9.1 ° C (48.5°F) |
22.2 ° C (71.9°F) |
14.8 ° C (58.7°F) |
% 40 | 0% | 4 | Sunrise:05:18 AM Sunset: 08:34 PM |
Moonrise:12:52 PM Moonset: 01:56 AM Moon Phase ( First Quarter ) |
|
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