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
| 14 May 2026 Thursday 10.6 ° C / 51.1°F  Light rain |
Feels Like : 9.5 ° C / 49.1°F Humidity : % 92 Pressure : 1007 mb Wind Speed : 9 kmph / 5.6 miles from NNE  Visibility : 9.7 km Precipitation (rainfall) : 2.25 mm Cloud (%) : 100 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 May 2026 Thursday |  Heavy rain |
8.5 ° C (47.3°F) |
9.9 ° C (49.8°F) |
9.6 ° C (49.2°F) |
% 94 | 92% | 3.1 | Sunrise:05:26 AM Sunset: 08:14 PM |
Moonrise:03:47 AM Moonset: 05:55 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday |  Moderate rain |
10.1 ° C (50.1°F) |
13.1 ° C (55.5°F) |
11.4 ° C (52.6°F) |
% 90 | 90% | 0.4 | Sunrise:05:25 AM Sunset: 08:15 PM |
Moonrise:04:11 AM Moonset: 07:19 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday |  Patchy rain nearby |
10.6 ° C (51°F) |
16.2 ° C (61.2°F) |
13.2 ° C (55.8°F) |
% 83 | 86% | 3 | Sunrise:05:24 AM Sunset: 08:16 PM |
Moonrise:04:43 AM Moonset: 08:44 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Patchy rain nearby |
11.8 ° C (53.2°F) |
15.8 ° C (60.5°F) |
13.7 ° C (56.6°F) |
% 81 | 88% | 3 | Sunrise:05:23 AM Sunset: 08:17 PM |
Moonrise:05:24 AM Moonset: 10:06 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday |  Sunny |
9.8 ° C (49.7°F) |
13.5 ° C (56.3°F) |
11.4 ° C (52.5°F) |
% 79 | 0% | 4 | Sunrise:05:22 AM Sunset: 08:18 PM |
Moonrise:06:19 AM Moonset: 11:16 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
14.2 ° C (57.6°F) |
20.5 ° C (68.9°F) |
17 ° C (62.6°F) |
% 84 | 77% | 4 | Sunrise:05:21 AM Sunset: 08:19 PM |
Moonrise:07:28 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
12.8 ° C (55°F) |
15.7 ° C (60.2°F) |
14.9 ° C (58.9°F) |
% 85 | 74% | 3 | Sunrise:05:20 AM Sunset: 08:20 PM |
Moonrise:08:46 AM Moonset: 12:10 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Sunny |
8.8 ° C (47.9°F) |
14.9 ° C (58.9°F) |
11.7 ° C (53°F) |
% 65 | 0% | 4 | Sunrise:05:19 AM Sunset: 08:21 PM |
Moonrise:10:07 AM Moonset: 12:50 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Patchy rain nearby |
8.8 ° C (47.8°F) |
12.6 ° C (54.6°F) |
11.3 ° C (52.3°F) |
% 71 | 79% | 3 | Sunrise:05:18 AM Sunset: 08:22 PM |
Moonrise:11:25 AM Moonset: 01:21 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Patchy rain nearby |
7.4 ° C (45.3°F) |
12.7 ° C (54.8°F) |
9.9 ° C (49.8°F) |
% 71 | 66% | 2 | Sunrise:05:17 AM Sunset: 08:23 PM |
Moonrise:12:39 PM Moonset: 01:45 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Patchy rain nearby |
9.6 ° C (49.2°F) |
13.1 ° C (55.6°F) |
11.4 ° C (52.6°F) |
% 86 | 85% | 3 | Sunrise:05:16 AM Sunset: 08:24 PM |
Moonrise:01:50 PM Moonset: 02:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Moderate rain |
10.5 ° C (50.8°F) |
14.5 ° C (58.1°F) |
12.9 ° C (55.2°F) |
% 88 | 81% | 3 | Sunrise:05:16 AM Sunset: 08:25 PM |
Moonrise:02:57 PM Moonset: 02:22 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Heavy rain |
14.9 ° C (58.9°F) |
16.6 ° C (61.9°F) |
15.6 ° C (60.1°F) |
% 96 | 88% | 4 | Sunrise:05:15 AM Sunset: 08:26 PM |
Moonrise:04:04 PM Moonset: 02:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Patchy rain nearby |
10.9 ° C (51.6°F) |
15.1 ° C (59.2°F) |
13.7 ° C (56.7°F) |
% 84 | 81% | 3 | Sunrise:05:14 AM Sunset: 08:27 PM |
Moonrise:05:10 PM Moonset: 02:58 AM Moon Phase ( Waxing Gibbous ) |
|
Add a link to your web page; copy and paste this html to your web page