Waltham Weather Forecast 15 Days, Weather in Waltham Today
Current weather conditions and 15 day weather forecast for Waltham, 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 Waltham
| 13 May 2026 Wednesday 10.1 ° C / 50.2°F  Overcast |
Feels Like : 8.7 ° C / 47.6°F Humidity : % 83 Pressure : 1010 mb Wind Speed : 10.4 kmph / 6.5 miles from SSE  Visibility : 16 km Precipitation (rainfall) : 0.98 mm Cloud (%) : 100 |
15 day weather forecast for Waltham, VT, USA
Weather Forecast for next 15 Days for Waltham 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 Waltham, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 13 May 2026 Wednesday |  Moderate rain |
4.8 ° C (40.6°F) |
12.4 ° C (54.3°F) |
9.3 ° C (48.8°F) |
% 72 | 87% | 4.1 | Sunrise:05:29 AM Sunset: 08:11 PM |
Moonrise:03:26 AM Moonset: 04:34 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday |  Heavy rain |
7.8 ° C (46.1°F) |
10.9 ° C (51.6°F) |
9.1 ° C (48.5°F) |
% 96 | 92% | 2.7 | Sunrise:05:28 AM Sunset: 08:12 PM |
Moonrise:03:48 AM Moonset: 05:53 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Moderate rain |
8 ° C (46.3°F) |
15.3 ° C (59.6°F) |
10.9 ° C (51.6°F) |
% 93 | 88% | 0.5 | Sunrise:05:27 AM Sunset: 08:13 PM |
Moonrise:04:13 AM Moonset: 07:17 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday |  Partly Cloudy |
6.8 ° C (44.2°F) |
22.8 ° C (73.1°F) |
14.3 ° C (57.7°F) |
% 81 | 0% | 4 | Sunrise:05:26 AM Sunset: 08:14 PM |
Moonrise:04:45 AM Moonset: 08:41 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday |  Patchy rain nearby |
8.6 ° C (47.4°F) |
19.5 ° C (67.1°F) |
14.7 ° C (58.5°F) |
% 82 | 82% | 3 | Sunrise:05:25 AM Sunset: 08:15 PM |
Moonrise:05:27 AM Moonset: 10:03 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Overcast |
6.6 ° C (43.9°F) |
16.6 ° C (61.9°F) |
10.6 ° C (51.1°F) |
% 80 | 0% | 3 | Sunrise:05:23 AM Sunset: 08:16 PM |
Moonrise:06:21 AM Moonset: 11:13 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
13.9 ° C (57.1°F) |
29.9 ° C (85.9°F) |
19.7 ° C (67.5°F) |
% 82 | 77% | 4 | Sunrise:05:22 AM Sunset: 08:17 PM |
Moonrise:07:31 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday |  Sunny |
9.6 ° C (49.3°F) |
20.9 ° C (69.6°F) |
14.7 ° C (58.5°F) |
% 71 | 0% | 4 | Sunrise:05:22 AM Sunset: 08:18 PM |
Moonrise:08:48 AM Moonset: 12:07 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Moderate rain |
7 ° C (44.6°F) |
12.4 ° C (54.3°F) |
10.4 ° C (50.7°F) |
% 89 | 85% | 3 | Sunrise:05:21 AM Sunset: 08:19 PM |
Moonrise:10:08 AM Moonset: 12:48 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Partly Cloudy |
2.8 ° C (37.1°F) |
13.5 ° C (56.2°F) |
8.3 ° C (47°F) |
% 75 | 0% | 3 | Sunrise:05:20 AM Sunset: 08:20 PM |
Moonrise:11:27 AM Moonset: 01:19 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Sunny |
2.8 ° C (37°F) |
18.5 ° C (65.4°F) |
10.9 ° C (51.5°F) |
% 68 | 0% | 4 | Sunrise:05:19 AM Sunset: 08:21 PM |
Moonrise:12:40 PM Moonset: 01:44 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Patchy rain nearby |
5 ° C (41°F) |
22.4 ° C (72.4°F) |
13.1 ° C (55.5°F) |
% 78 | 80% | 3 | Sunrise:05:18 AM Sunset: 08:22 PM |
Moonrise:01:50 PM Moonset: 02:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Patchy rain nearby |
12.9 ° C (55.2°F) |
18.6 ° C (65.6°F) |
14.6 ° C (58.3°F) |
% 92 | 87% | 3 | Sunrise:05:17 AM Sunset: 08:23 PM |
Moonrise:02:57 PM Moonset: 02:22 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Patchy rain nearby |
10.3 ° C (50.6°F) |
14.3 ° C (57.7°F) |
12.3 ° C (54.2°F) |
% 95 | 88% | 3 | Sunrise:05:16 AM Sunset: 08:24 PM |
Moonrise:04:03 PM Moonset: 02:40 AM Moon Phase ( Waxing Gibbous ) |
|
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