Grant County International Airport Weather Forecast 15 Days, Weather in MWH Today
Current weather conditions and 15 day weather forecast for Grant County International Airport, 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 Grant County International Airport
| 16 August 2026 Sunday 18.6 ° C / 65.5°F  Smoky haze |
Feels Like : 17.5 ° C / 63.5°F Humidity : % 55 Pressure : 1016 mb Wind Speed : 5 kmph / 3.1 miles from NE  Visibility : 9 km Precipitation (rainfall) : 0 mm Cloud (%) : 10 |
15 day weather forecast for Grant County International Airport, WA, USA
Weather Forecast for next 15 Days for Grant County International Airport 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 Grant County International Airport, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 16 August 2026 Sunday | Smoky haze |
18.6 ° C (65.5°F) |
34.5 ° C (94°F) |
26.2 ° C (79.1°F) |
% 34 | 1% | 4.5 | Sunrise:05:55 AM Sunset: 08:07 PM |
Moonrise:10:51 AM Moonset: 09:33 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Smoky haze |
19.1 ° C (66.3°F) |
34.9 ° C (94.8°F) |
26.5 ° C (79.8°F) |
% 28 | 1% | 3.3 | Sunrise:05:56 AM Sunset: 08:05 PM |
Moonrise:12:10 PM Moonset: 09:54 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday |  Sunny |
16.4 ° C (61.5°F) |
33.2 ° C (91.8°F) |
24.3 ° C (75.8°F) |
% 29 | 1% | 8 | Sunrise:05:57 AM Sunset: 08:04 PM |
Moonrise:01:27 PM Moonset: 10:19 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
14.1 ° C (57.4°F) |
33.1 ° C (91.6°F) |
23.6 ° C (74.5°F) |
% 33 | 1% | 8 | Sunrise:05:59 AM Sunset: 08:02 PM |
Moonrise:02:41 PM Moonset: 10:50 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
18.1 ° C (64.5°F) |
35 ° C (95°F) |
26.1 ° C (79°F) |
% 29 | 0% | 8 | Sunrise:06:00 AM Sunset: 08:00 PM |
Moonrise:03:49 PM Moonset: 11:30 PM Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
19.4 ° C (66.9°F) |
37.7 ° C (99.9°F) |
28.2 ° C (82.7°F) |
% 27 | 1% | 9 | Sunrise:06:01 AM Sunset: 07:58 PM |
Moonrise:04:49 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Sunny |
16.8 ° C (62.2°F) |
31.5 ° C (88.8°F) |
24.8 ° C (76.6°F) |
% 33 | 1% | 8 | Sunrise:06:03 AM Sunset: 07:56 PM |
Moonrise:05:37 PM Moonset: 12:20 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
12.6 ° C (54.7°F) |
31.8 ° C (89.3°F) |
22 ° C (71.6°F) |
% 38 | 1% | 8 | Sunrise:06:04 AM Sunset: 07:55 PM |
Moonrise:06:15 PM Moonset: 01:18 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Sunny |
19.1 ° C (66.5°F) |
37 ° C (98.5°F) |
27.2 ° C (81°F) |
% 21 | 1% | 9 | Sunrise:06:05 AM Sunset: 07:53 PM |
Moonrise:06:44 PM Moonset: 02:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 August 2026 Tuesday |  Partly Cloudy |
23.4 ° C (74.1°F) |
38.1 ° C (100.6°F) |
29.2 ° C (84.6°F) |
% 24 | 2% | 9 | Sunrise:06:07 AM Sunset: 07:51 PM |
Moonrise:07:07 PM Moonset: 03:31 AM Moon Phase ( Full Moon ) |
|
| 26 August 2026 Wednesday | Sunny |
21 ° C (69.8°F) |
37.5 ° C (99.4°F) |
28.1 ° C (82.5°F) |
% 29 | 1% | 9 | Sunrise:06:08 AM Sunset: 07:49 PM |
Moonrise:07:25 PM Moonset: 04:39 AM Moon Phase ( Full Moon ) |
|
| 27 August 2026 Thursday | Sunny |
15.8 ° C (60.5°F) |
32.7 ° C (90.8°F) |
23.3 ° C (74°F) |
% 30 | 1% | 8 | Sunrise:06:09 AM Sunset: 07:47 PM |
Moonrise:07:41 PM Moonset: 05:47 AM Moon Phase ( Full Moon ) |
|
| 28 August 2026 Friday | Sunny |
10.5 ° C (50.9°F) |
30 ° C (86°F) |
20 ° C (68°F) |
% 32 | 1% | 8 | Sunrise:06:11 AM Sunset: 07:45 PM |
Moonrise:07:56 PM Moonset: 06:54 AM Moon Phase ( Full Moon ) |
|
| 29 August 2026 Saturday | Sunny |
16 ° C (60.9°F) |
34.6 ° C (94.4°F) |
24.1 ° C (75.4°F) |
% 19 | 0% | 8 | Sunrise:06:12 AM Sunset: 07:43 PM |
Moonrise:08:10 PM Moonset: 08:00 AM Moon Phase ( Waning Gibbous ) |
|
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