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Allston, MA Weather Forecast | 5 Day
Updated: Mon Jul 14th 2025 7:45 AM EDT
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Overcast
Mon 7-14
Overcast with a high of 80°F and a low of 66°F. Winds will be light at 9mph and gusts of 13.7mph at 4 PM. High humidity with average of 86% is anticipated, the maximum being 95% at 8 AM and 67% being its lowest at 5 PM. Barometric pressure is its highest of 30.09inHg at 8 AM, a lowest point of 30inHg at 4 PM with an avg 30.04inHg.
- HI: 80°F
- LO: 66°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
8.3 mph - Humidity
86% avg. - UV Index
2.2 - Air QualityModerate
- Sunrise
05:21 AM - Sunset
08:19 PM - Moonrise
10:41 PM - Moonset
09:16 AM - Moon Phase
Waning Gibbous

Overcast
Tue 7-15
Overcast with a high of 87°F and a low of 71°F. Winds will be light at 8mph and gusts of 13.1mph at 10 PM. The humidity will be on the higher side, averaging about 77%, the maximum being 97% at 11 PM and 58% being its lowest at 3 PM. Barometric pressure is its highest of 30.07inHg at 9 AM, a lowest point of 30.01inHg at 5 PM with an avg 30.05inHg.
- HI: 87°F
- LO: 71°F
- Rainfall: 0% | est. 0in
- Snowfall: 0%
- Wind
7.8 mph - Humidity
77% avg. - UV Index
1.9 - Air QualityModerate
- Sunrise
05:22 AM - Sunset
08:19 PM - Moonrise
11:02 PM - Moonset
10:28 AM - Moon Phase
Waning Gibbous

Fog
Wed 7-16
Fog with a high of 87°F and a low of 71°F. Wind will be moderate, blowing around 11mph on average and gusts of 16.3mph at 7 PM. The humidity will be on the higher side, averaging about 80%, the maximum being 97% at 5 AM and 57% being its lowest at 5 PM. Barometric pressure is its highest of 30.09inHg at 6 AM, a lowest point of 29.94inHg at 6 PM with an avg 30.02inHg.
- HI: 87°F
- LO: 71°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
10.3 mph - Humidity
80% avg. - UV Index
2.4 - Air QualityModerate
- Sunrise
05:22 AM - Sunset
08:18 PM - Moonrise
11:24 PM - Moonset
11:41 AM - Moon Phase
Waning Gibbous

Patchy Rain Nearby
Thu 7-17
Scattered showers with a high of 88°F and a low of 73°F. It will likey rain in the surrounding area, having a 84% chance of a downpour with an estimated 0.1in. Winds will be light at 9mph and gusts of 13.6mph at 8 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 97% at 2 AM and 57% being its lowest at 12 PM. Barometric pressure is its highest of 29.97inHg at 12 AM, a lowest point of 29.83inHg at 6 PM with an avg 29.89inHg.
- HI: 88°F
- LO: 73°F
- Rainfall: 84% | est. 0.1in
- Snowfall: 0%
- Wind
8.1 mph - Humidity
78% avg. - UV Index
1.6 - Air QualityModerate
- Sunrise
05:23 AM - Sunset
08:17 PM - Moonrise
11:47 PM - Moonset
12:54 PM - Moon Phase
Last Quarter

Patchy Rain Nearby
Fri 7-18
Scattered showers with a high of 94°F and a low of 73°F. It will likey rain in the surrounding area, having a 84% chance of a downpour with an estimated 0.03in. Winds will be light at 8mph and gusts of 13.1mph at 6 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 92% at 2 AM and 40% being its lowest at 2 PM. Barometric pressure is its highest of 29.87inHg at 11 PM, a lowest point of 29.8inHg at 6 PM with an avg 29.84inHg.
- HI: 94°F
- LO: 73°F
- Rainfall: 84% | est. 0.03in
- Snowfall: 0%
- Wind
7.8 mph - Humidity
67% avg. - UV Index
0.2 - Air QualityModerate
- Sunrise
05:24 AM - Sunset
08:17 PM - Moonrise
No moonrise - Moonset
02:11 PM - Moon Phase
Last Quarter

Patchy Rain Nearby
Sat 7-19
Scattered showers with a high of 77°F and a low of 68°F. It will likey rain in the surrounding area, having a 82% chance of a downpour with an estimated 0.01in. Winds will be light at 8mph and gusts of 12.5mph at 12 AM. The humidity will be on the higher side, averaging about 75%, the maximum being 83% at 11 PM and 63% being its lowest at 5 PM. Barometric pressure is its highest of 30.03inHg at 11 PM, a lowest point of 29.87inHg at 1 AM with an avg 29.95inHg.
- HI: 77°F
- LO: 68°F
- Rainfall: 82% | est. 0.01in
- Snowfall: 0%
- Wind
7.8 mph - Humidity
75% avg. - UV Index
5 - Air QualityTBA
- Sunrise
05:25 AM - Sunset
08:16 PM - Moonrise
12:15 AM - Moonset
03:30 PM - Moon Phase
Waning Crescent
Currently
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72°F |
30.08 inHg.
Barometer 82%
Humidity SSW 8.6 mph Wind |
Partly Cloudy |