Union Weather Forecast 15 Days, Weather in Union Today
Current weather conditions and 15 day weather forecast for Union, 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 Union
| 30 April 2026 Thursday 8.3 ° C / 46.9°F  Sunny |
Feels Like : 7.9 ° C / 46.3°F Humidity : % 86 Pressure : 1021 mb Wind Speed : 4.7 kmph / 2.9 miles from N  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Union, WA, USA
Weather Forecast for next 15 Days for Union 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 Union, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 30 April 2026 Thursday | Sunny |
8.8 ° C (47.9°F) |
22.3 ° C (72.1°F) |
15.1 ° C (59.1°F) |
% 57 | 0% | 5.4 | Sunrise:05:57 AM Sunset: 08:23 PM |
Moonrise:07:55 PM Moonset: 05:09 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 May 2026 Friday | Sunny |
6.2 ° C (43.1°F) |
20.6 ° C (69.1°F) |
12.9 ° C (55.3°F) |
% 71 | 0% | 5.1 | Sunrise:05:56 AM Sunset: 08:24 PM |
Moonrise:09:05 PM Moonset: 05:28 AM Moon Phase ( Full Moon ) |
|
| 02 May 2026 Saturday |  Patchy rain nearby |
6 ° C (42.8°F) |
23.7 ° C (74.6°F) |
13.9 ° C (57.1°F) |
% 71 | 75% | 5 | Sunrise:05:54 AM Sunset: 08:26 PM |
Moonrise:10:14 PM Moonset: 05:51 AM Moon Phase ( Waning Gibbous ) |
|
| 03 May 2026 Sunday | Sunny |
10.2 ° C (50.4°F) |
28.8 ° C (83.8°F) |
18.7 ° C (65.6°F) |
% 54 | 0% | 6.1 | Sunrise:05:53 AM Sunset: 08:27 PM |
Moonrise:11:19 PM Moonset: 06:20 AM Moon Phase ( Waning Gibbous ) |
|
| 04 May 2026 Monday | Sunny |
10.7 ° C (51.2°F) |
22 ° C (71.7°F) |
15.1 ° C (59.2°F) |
% 66 | 0% | 0 | Sunrise:05:51 AM Sunset: 08:28 PM |
Moonrise:No moonrise Moonset: 06:58 AM Moon Phase ( Waning Gibbous ) |
|
| 05 May 2026 Tuesday |  Partly Cloudy |
9.3 ° C (48.7°F) |
17.6 ° C (63.7°F) |
13.4 ° C (56.2°F) |
% 77 | 0% | 4 | Sunrise:05:50 AM Sunset: 08:30 PM |
Moonrise:12:16 AM Moonset: 07:46 AM Moon Phase ( Waning Gibbous ) |
|
| 06 May 2026 Wednesday | Sunny |
6.8 ° C (44.2°F) |
20 ° C (68°F) |
13 ° C (55.3°F) |
% 73 | 0% | 4 | Sunrise:05:48 AM Sunset: 08:31 PM |
Moonrise:01:05 AM Moonset: 08:43 AM Moon Phase ( Waning Gibbous ) |
|
| 07 May 2026 Thursday | Sunny |
5.7 ° C (42.3°F) |
22 ° C (71.6°F) |
13.5 ° C (56.3°F) |
% 70 | 0% | 4 | Sunrise:05:47 AM Sunset: 08:33 PM |
Moonrise:01:43 AM Moonset: 09:49 AM Moon Phase ( Waning Gibbous ) |
|
| 08 May 2026 Friday | Partly Cloudy |
5.2 ° C (41.3°F) |
18.2 ° C (64.8°F) |
11.5 ° C (52.6°F) |
% 75 | 0% | 4 | Sunrise:05:45 AM Sunset: 08:34 PM |
Moonrise:02:13 AM Moonset: 10:58 AM Moon Phase ( Waning Gibbous ) |
|
| 09 May 2026 Saturday | Patchy rain nearby |
6.2 ° C (43.1°F) |
12.4 ° C (54.3°F) |
9.4 ° C (48.9°F) |
% 92 | 88% | 2 | Sunrise:05:44 AM Sunset: 08:35 PM |
Moonrise:02:36 AM Moonset: 12:09 PM Moon Phase ( Last Quarter ) |
|
| 10 May 2026 Sunday | Patchy rain nearby |
4.8 ° C (40.6°F) |
8.4 ° C (47.1°F) |
7.1 ° C (44.7°F) |
% 97 | 89% | 2 | Sunrise:05:42 AM Sunset: 08:37 PM |
Moonrise:02:56 AM Moonset: 01:21 PM Moon Phase ( Waning Crescent ) |
|
| 11 May 2026 Monday | Patchy rain nearby |
3.9 ° C (39.1°F) |
13.6 ° C (56.6°F) |
8.5 ° C (47.3°F) |
% 80 | 76% | 2 | Sunrise:05:41 AM Sunset: 08:38 PM |
Moonrise:03:13 AM Moonset: 02:34 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday | Patchy rain nearby |
2.3 ° C (36.2°F) |
12.8 ° C (55.1°F) |
8.3 ° C (47°F) |
% 81 | 89% | 2 | Sunrise:05:40 AM Sunset: 08:39 PM |
Moonrise:03:30 AM Moonset: 03:50 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Patchy rain nearby |
8.8 ° C (47.9°F) |
12.3 ° C (54.1°F) |
10.7 ° C (51.3°F) |
% 99 | 81% | 3 | Sunrise:05:38 AM Sunset: 08:40 PM |
Moonrise:03:46 AM Moonset: 05:09 PM Moon Phase ( Waning Crescent ) |
|
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