Grand Isle Weather Forecast 15 Days, Weather in Grand Isle Today
Current weather conditions and 15 day weather forecast for Grand Isle, Vermont, 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 Grand Isle
| 29 March 2026 Sunday 9.4 ° C / 48.9°F  Partly cloudy |
Feels Like : 8.1 ° C / 46.6°F Humidity : % 33 Pressure : 1024 mb Wind Speed : 9 kmph / 5.6 miles from SW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
15 day weather forecast for Grand Isle, VT, USA
Weather Forecast for next 15 Days for Grand Isle 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 Grand Isle, Vermont 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 29 March 2026 Sunday |  Sunny |
-2.6 ° C (27.3°F) |
8.3 ° C (46.9°F) |
2.6 ° C (36.6°F) |
% 56 | 0% | 0.8 | Sunrise:06:39 AM Sunset: 07:17 PM |
Moonrise:03:46 PM Moonset: 05:13 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday |  Patchy rain nearby |
2.9 ° C (37.2°F) |
15.4 ° C (59.7°F) |
8.6 ° C (47.5°F) |
% 67 | 79% | 0.8 | Sunrise:06:37 AM Sunset: 07:19 PM |
Moonrise:04:57 PM Moonset: 05:34 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday |  Moderate rain |
3.5 ° C (38.3°F) |
7.2 ° C (45°F) |
6.1 ° C (42.9°F) |
% 92 | 88% | 0.1 | Sunrise:06:35 AM Sunset: 07:20 PM |
Moonrise:06:07 PM Moonset: 05:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday |  Heavy rain |
0.6 ° C (33.1°F) |
14.7 ° C (58.5°F) |
9.2 ° C (48.6°F) |
% 76 | 78% | 0.6 | Sunrise:06:34 AM Sunset: 07:21 PM |
Moonrise:07:15 PM Moonset: 06:10 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday |  Light sleet |
-0.5 ° C (31.1°F) |
0.3 ° C (32.6°F) |
0 ° C (32°F) |
% 94 | 69% | 0.2 | Sunrise:06:32 AM Sunset: 07:22 PM |
Moonrise:08:23 PM Moonset: 06:27 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday |  Light drizzle |
-0.3 ° C (31.5°F) |
1.2 ° C (34.1°F) |
0.8 ° C (33.5°F) |
% 98 | 78% | 0 | Sunrise:06:30 AM Sunset: 07:24 PM |
Moonrise:09:31 PM Moonset: 06:47 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Patchy rain nearby |
-1.1 ° C (30.1°F) |
1.7 ° C (35.1°F) |
1.2 ° C (34.1°F) |
% 94 | 89% | 1 | Sunrise:06:28 AM Sunset: 07:25 PM |
Moonrise:10:39 PM Moonset: 07:09 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Patchy rain nearby |
1 ° C (33.8°F) |
4.3 ° C (39.8°F) |
3.5 ° C (38.3°F) |
% 87 | 87% | 1 | Sunrise:06:26 AM Sunset: 07:26 PM |
Moonrise:11:45 PM Moonset: 07:36 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Partly Cloudy |
-1.2 ° C (29.9°F) |
2.3 ° C (36.1°F) |
0.4 ° C (32.8°F) |
% 76 | 0% | 2 | Sunrise:06:24 AM Sunset: 07:27 PM |
Moonrise:No moonrise Moonset: 08:09 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday | Patchy rain nearby |
-2.4 ° C (27.6°F) |
6.2 ° C (43.1°F) |
1.9 ° C (35.4°F) |
% 76 | 89% | 1 | Sunrise:06:23 AM Sunset: 07:29 PM |
Moonrise:12:47 AM Moonset: 08:50 AM Moon Phase ( Waning Gibbous ) |
|
| 08 April 2026 Wednesday |  Blowing snow |
-7.6 ° C (18.4°F) |
-3.5 ° C (25.7°F) |
-4.9 ° C (23.2°F) |
% 63 | 0% | 1 | Sunrise:06:21 AM Sunset: 07:30 PM |
Moonrise:01:43 AM Moonset: 09:40 AM Moon Phase ( Waning Gibbous ) |
|
| 09 April 2026 Thursday |  Moderate or heavy snow showers |
-5.3 ° C (22.4°F) |
0.6 ° C (33°F) |
-1.6 ° C (29.1°F) |
% 75 | 65% | 1 | Sunrise:06:19 AM Sunset: 07:31 PM |
Moonrise:02:29 AM Moonset: 10:39 AM Moon Phase ( Waning Gibbous ) |
|
| 10 April 2026 Friday | Patchy rain nearby |
2.4 ° C (36.3°F) |
6 ° C (42.8°F) |
4.3 ° C (39.7°F) |
% 97 | 86% | 1 | Sunrise:06:17 AM Sunset: 07:32 PM |
Moonrise:03:08 AM Moonset: 11:44 AM Moon Phase ( Last Quarter ) |
|
| 11 April 2026 Saturday | Sunny |
6 ° C (42.7°F) |
10.4 ° C (50.7°F) |
7.9 ° C (46.2°F) |
% 92 | 0% | 3 | Sunrise:06:16 AM Sunset: 07:34 PM |
Moonrise:03:39 AM Moonset: 12:53 PM Moon Phase ( Waning Crescent ) |
|
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