Hourly Weather Forecast for Wednesday

South Waltham, Massachusetts (02453)
Source 
Forecast data derived from Weather Underground BestForecast
Temperature / Dew Point (°F):
Humidity (%):
Pressure (in):
Wind (mph):
Conditions:
Probability of Precipitation (%):
Cloud Cover (%):
Wednesday Night
nt_chancetstorms Scattered thunderstorms during the evening. Partly cloudy skies after midnight. Gusty winds and small hail are possible. Low 61F. Winds WSW at 10 to 15 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 63 70 | 68 81 | 64 68 | 60
Wind 0 mph WSW 0 mph SW 12 mph SW 8 mph WSW
Humidity 87% 93% 56% 75%
Chance of Precip. 0% 0% 60% 20%
Cloud Cover % % 50% 36%
Conditions Chance of a Thunderstorm Partly Cloudy
Sunrise & Sunset
5:11 AM
8:25 PM
Thursday
clear Generally sunny despite a few afternoon clouds. High 83F. Winds W at 10 to 15 mph.
Thursday Night
nt_partlycloudy A few clouds. Low 57F. Winds NW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 56 77 | 55 79 | 54 66 | 53
Wind 5 mph W 8 mph W 9 mph W 4 mph NW
Humidity 80% 47% 43% 64%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 9% 22% 24% 55%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
5:12 AM
8:25 PM
Friday
partlycloudy Partly cloudy. High 81F. Winds light and variable.
Friday Night
nt_partlycloudy A few clouds. Low near 55F. Winds light and variable.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 58 | 50 76 | 46 76 | 48 63 | 55
Wind 4 mph N 6 mph NNW 5 mph ESE 2 mph S
Humidity 75% 35% 37% 76%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 18% 49% 46% 55%
Conditions Clear Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:12 AM
8:25 PM
Saturday
partlycloudy Partly cloudy skies. High around 80F. Winds ESE at 5 to 10 mph.
Saturday Night
nt_clear Mostly clear. Low 58F. Winds light and variable.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 57 | 54 76 | 52 76 | 54 63 | 49
Wind 1 mph N 5 mph SE 6 mph ESE 5 mph SSW
Humidity 89% 42% 46% 61%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 53% 47% 33% 7%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:13 AM
8:25 PM
Sunday
partlycloudy Intervals of clouds and sunshine. High near 85F. Winds W at 5 to 10 mph.
Sunday Night
nt_clear A mostly clear sky. Low around 60F. Winds NW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 52 79 | 56 80 | 58 67 | 58
Wind 3 mph WSW 8 mph WNW 8 mph WNW 4 mph NW
Humidity 76% 46% 46% 75%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 29% 44% 38% 1%
Conditions Clear Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:13 AM
8:24 PM
Monday
partlycloudy Partly cloudy skies. High 86F. Winds ENE at 5 to 10 mph.
Monday Night
nt_clear A few clouds from time to time. Low 62F. Winds S at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 57 80 | 57 81 | 57 67 | 58
Wind 3 mph N 4 mph NE 8 mph SE 4 mph SSW
Humidity 82% 45% 45% 72%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 3% 41% 21% 30%
Conditions Clear Partly Cloudy Clear Partly Cloudy
Sunrise & Sunset
5:14 AM
8:24 PM
Tuesday
clear Except for a few afternoon clouds, mainly sunny. High 86F. Winds SSE at 10 to 15 mph.
Tuesday Night
nt_clear Mainly clear skies. Low 62F. Winds S at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 64 | 59 81 | 60 81 | 60 68 | 60
Wind 2 mph S 7 mph SE 11 mph SSE 7 mph S
Humidity 84% 50% 49% 77%
Chance of Precip. 0% 0% 10% 20%
Cloud Cover 26% 19% 26% 31%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
5:15 AM
8:24 PM
Wednesday
partlycloudy Mostly cloudy skies early, then partly cloudy in the afternoon. High 82F. Winds SSE at 10 to 15 mph.
Wednesday Night
nt_partlycloudy Partly cloudy. Low 62F. Winds SSE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 64 | 59 78 | 61 78 | 61 68 | 62
Wind 4 mph S 8 mph S 10 mph S 4 mph S
Humidity 85% 58% 56% 81%
Chance of Precip. 20% 10% 20% 20%
Cloud Cover 68% 66% 50% 33%
Conditions Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:15 AM
8:23 PM
Thursday
partlycloudy Sunshine and clouds mixed. High 81F. Winds E at 5 to 10 mph.
Thursday Night
nt_partlycloudy Partly cloudy skies during the evening will give way to cloudy skies overnight. Low 62F. Winds ENE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 64 | 61 77 | 61 78 | 58 67 | 59
Wind 2 mph E 7 mph E 9 mph E 3 mph ENE
Humidity 91% 58% 52% 74%
Chance of Precip. 20% 20% 20% 20%
Cloud Cover 50% 54% 26% 64%
Conditions Partly Cloudy Partly Cloudy Clear Mostly Cloudy
Sunrise & Sunset
5:16 AM
8:23 PM
Friday
mostlycloudy Mainly cloudy. High 81F. Winds ENE at 5 to 10 mph.
Friday Night
nt_chancerain Cloudy with showers. Low 62F. Winds SSW at 5 to 10 mph. Chance of rain 60%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 57 77 | 58 76 | 58 67 | 58
Wind 3 mph NE 7 mph ENE 9 mph ESE 4 mph SSW
Humidity 80% 52% 54% 74%
Chance of Precip. 20% 20% 20% 60%
Cloud Cover 78% 74% 74% 50%
Conditions Mostly Cloudy Mostly Cloudy Mostly Cloudy Chance of Rain
Sunrise & Sunset
5:17 AM
8:22 PM
Saturday
partlycloudy Partly cloudy. High 83F. NW winds shifting to SW at 10 to 15 mph.
Saturday Night
nt_chancerain Considerable cloudiness with occasional rain showers. Low 61F. Winds SSW at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 64 | 57 77 | 58 78 | 57 68 | 57
Wind 4 mph NNW 7 mph SW 10 mph SSW 6 mph SSW
Humidity 80% 51% 48% 70%
Chance of Precip. 20% 20% 20% 40%
Cloud Cover 65% 52% 42% 50%
Conditions Mostly Cloudy Partly Cloudy Partly Cloudy Chance of Rain
Sunrise & Sunset
Sun does not rise
Sunday
chancerain Considerable cloudiness with occasional rain showers. High 82F. Winds SSW at 10 to 15 mph. Chance of rain 50%.
Sunday Night
nt_chancerain Cloudy with occasional rain showers. Low 61F. Winds SW at 5 to 10 mph. Chance of rain 60%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 57 77 | 58 78 | 57 67 | 57
Wind 5 mph SW 10 mph SSW 11 mph S 5 mph SW
Humidity 80% 51% 50% 72%
Chance of Precip. 40% 50% 50% 50%
Cloud Cover 50% 51% 50% 50%
Conditions Chance of Rain Chance of Rain Chance of Rain Chance of Rain
Sunrise & Sunset
Sun does not rise
Monday
chancerain Considerable cloudiness with occasional rain showers. High 82F. Winds SSW at 10 to 15 mph. Chance of rain 40%.
Monday Night
nt_chancerain Rain showers early with mostly clear conditions later at night. Low 62F. Winds SSW at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 56 78 | 57 78 | 57 67 | 57
Wind 5 mph W 8 mph S 10 mph S 5 mph SSW
Humidity 79% 50% 49% 69%
Chance of Precip. 40% 20% 40% 10%
Cloud Cover 50% 38% 50% 24%
Conditions Chance of Rain Partly Cloudy Chance of Rain Clear
Sunrise & Sunset
Sun does not rise
Tuesday
chancerain Mostly sunny early followed by increasing clouds and a few showers later in the day. High 82F. Winds S at 10 to 20 mph. Chance of rain 30%.
Tuesday Night
nt_chancerain Showers in the evening, then partly cloudy overnight. Low 62F. Winds SSW at 10 to 15 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 56 77 | 58 78 | 58 68 | 58
Wind 4 mph SW 9 mph S 13 mph S 7 mph SSW
Humidity 79% 51% 51% 72%
Chance of Precip. 10% 20% 30% 20%
Cloud Cover 24% 25% 40% 28%
Conditions Clear Clear Chance of Rain Clear
Sunrise & Sunset
Sun does not rise
Wednesday
chancetstorms Partial cloudiness early, with scattered showers and thunderstorms in the afternoon. High 83F. Winds SSW at 10 to 15 mph. Chance of rain 40%.
Wednesday Night
nt_chancetstorms Variable clouds with scattered thunderstorms. Low 63F. Winds SW at 10 to 15 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 64 | 58 79 | 59 78 | 59 68 | 59
Wind 5 mph SW 9 mph SSW 12 mph SSW 8 mph SW
Humidity 81% 51% 51% 74%
Chance of Precip. 10% 20% 40% 30%
Cloud Cover 39% 42% 50% 44%
Conditions Partly Cloudy Partly Cloudy Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
Sun does not rise