Grantsville Weather Forecast 15 Days, Weather in Grantsville Today
Current weather conditions and 15 day weather forecast for Grantsville, Utah, 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 Grantsville
| 06 October 2026 Tuesday 28.4 ° C / 83.1°F  Overcast |
Feels Like : 24.6 ° C / 76.3°F Humidity : % 20 Pressure : 1016 mb Wind Speed : 11.9 kmph / 7.4 miles from SSW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 90 |
15 day weather forecast for Grantsville, UT, USA
Weather Forecast for next 15 Days for Grantsville 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 Grantsville, Utah 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 October 2026 Monday | Overcast |
15.2 ° C (59.4°F) |
29.4 ° C (84.8°F) |
20.9 ° C (69.7°F) |
% 26 | 6% | 5.5 | Sunrise:07:30 AM Sunset: 07:06 PM |
Moonrise:01:18 AM Moonset: 04:28 PM Moon Phase ( Waning Crescent ) |
|
| 06 October 2026 Tuesday |  Sunny |
14.5 ° C (58°F) |
27 ° C (80.5°F) |
19.8 ° C (67.7°F) |
% 30 | 17% | 5.7 | Sunrise:07:31 AM Sunset: 07:04 PM |
Moonrise:02:36 AM Moonset: 04:59 PM Moon Phase ( Waning Crescent ) |
|
| 07 October 2026 Wednesday | Sunny |
11.4 ° C (52.5°F) |
27.3 ° C (81.1°F) |
18.5 ° C (65.3°F) |
% 28 | 0% | 5.5 | Sunrise:07:32 AM Sunset: 07:02 PM |
Moonrise:03:53 AM Moonset: 05:26 PM Moon Phase ( Waning Crescent ) |
|
| 08 October 2026 Thursday | Sunny |
12 ° C (53.6°F) |
27.7 ° C (81.9°F) |
18.5 ° C (65.3°F) |
% 24 | 0% | 5.5 | Sunrise:07:33 AM Sunset: 07:01 PM |
Moonrise:05:08 AM Moonset: 05:52 PM Moon Phase ( Waning Crescent ) |
|
| 09 October 2026 Friday | Sunny |
13 ° C (55.3°F) |
27.8 ° C (82°F) |
19.2 ° C (66.6°F) |
% 22 | 2% | 7 | Sunrise:07:34 AM Sunset: 06:59 PM |
Moonrise:06:23 AM Moonset: 06:16 PM Moon Phase ( New Moon ) |
|
| 10 October 2026 Saturday | Overcast |
13.2 ° C (55.7°F) |
27.1 ° C (80.8°F) |
19.7 ° C (67.4°F) |
% 28 | 4% | 7 | Sunrise:07:35 AM Sunset: 06:57 PM |
Moonrise:07:37 AM Moonset: 06:42 PM Moon Phase ( New Moon ) |
|
| 11 October 2026 Sunday | Overcast |
10.4 ° C (50.7°F) |
24.8 ° C (76.6°F) |
18.7 ° C (65.6°F) |
% 45 | 36% | 6 | Sunrise:07:36 AM Sunset: 06:56 PM |
Moonrise:08:51 AM Moonset: 07:10 PM Moon Phase ( New Moon ) |
|
| 12 October 2026 Monday | Sunny |
6.8 ° C (44.2°F) |
18 ° C (64.3°F) |
14 ° C (57.3°F) |
% 42 | 17% | 5 | Sunrise:07:37 AM Sunset: 06:54 PM |
Moonrise:10:05 AM Moonset: 07:43 PM Moon Phase ( Waxing Crescent ) |
|
| 13 October 2026 Tuesday | Sunny |
3.3 ° C (37.9°F) |
10.6 ° C (51.1°F) |
6.7 ° C (44°F) |
% 45 | 4% | 4 | Sunrise:07:38 AM Sunset: 06:53 PM |
Moonrise:11:16 AM Moonset: 08:23 PM Moon Phase ( Waxing Crescent ) |
|
| 14 October 2026 Wednesday | Sunny |
1.1 ° C (34°F) |
16 ° C (60.7°F) |
7.9 ° C (46.2°F) |
% 38 | 1% | 5 | Sunrise:07:39 AM Sunset: 06:51 PM |
Moonrise:12:23 PM Moonset: 09:09 PM Moon Phase ( Waxing Crescent ) |
|
| 15 October 2026 Thursday | Sunny |
3.9 ° C (39°F) |
19.8 ° C (67.7°F) |
10.9 ° C (51.7°F) |
% 32 | 2% | 5 | Sunrise:07:41 AM Sunset: 06:50 PM |
Moonrise:01:21 PM Moonset: 10:03 PM Moon Phase ( Waxing Crescent ) |
|
| 16 October 2026 Friday | Sunny |
4.5 ° C (40.1°F) |
15.3 ° C (59.6°F) |
10.1 ° C (50.2°F) |
% 31 | 4% | 5 | Sunrise:07:42 AM Sunset: 06:48 PM |
Moonrise:02:10 PM Moonset: 11:02 PM Moon Phase ( First Quarter ) |
|
| 17 October 2026 Saturday | Sunny |
0.8 ° C (33.4°F) |
12.1 ° C (53.8°F) |
6.4 ° C (43.5°F) |
% 53 | 3% | 4 | Sunrise:07:43 AM Sunset: 06:47 PM |
Moonrise:02:50 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 18 October 2026 Sunday | Sunny |
0.6 ° C (33.1°F) |
13.6 ° C (56.4°F) |
6.8 ° C (44.2°F) |
% 59 | 3% | 4 | Sunrise:07:44 AM Sunset: 06:45 PM |
Moonrise:03:23 PM Moonset: 12:04 AM Moon Phase ( First Quarter ) |
|
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