Millis, MA Weather Forecast | 5 Day

Updated: Sun Sep 20th 2026 8:30 AM EDT

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Millis, MA Weather Forecast - 9-20-26 - Overcast

Overcast

Sun 9-20-26

Overcast with a high of 61°F and a low of 48°F. It will likey rain, having a 85% chance of a downpour with an estimated 0.3in. Winds will be light at 7mph and gusts of 21mph at 8 PM. High humidity with average of 83% is anticipated, the maximum being 99% at 6 PM and 55% being its lowest at 10 AM. Barometric pressure is its highest of 30.15inHg at 9 AM, a lowest point of 29.97inHg at 10 PM with an avg 30.04inHg.

    • HI: 61°F
    • LO: 48°F
    • Rainfall: 85% | est. 0.3in
    • Snowfall: 0%
    • Wind
      6.5 mph
    • Humidity
      83% avg.
    • UV Index
      0.9
    • Air Quality
      Good
    • Sunrise
      06:30 AM
    • Sunset
      06:46 PM
    • Moonrise
      04:10 PM
    • Moonset
      12:16 AM
    • Moon Phase
      Waxing Gibbous
Millis, MA Weather Forecast - 9-21-26 - Overcast

Overcast

Weather Tomorrow, Mon 9-21-26

Overcast with a high of 65°F and a low of 53°F. Rainfall expected to have a 73% chance with an estimated 0.07in. Winds will be light at 10mph and gusts of 23.7mph at 3 AM. High humidity with average of 82% is anticipated, the maximum being 99% at 12 AM and 53% being its lowest at 3 PM. Barometric pressure is its highest of 30.24inHg at 11 PM, a lowest point of 29.97inHg at 12 AM with an avg 30.11inHg.

    • HI: 65°F
    • LO: 53°F
    • Rainfall: 73% | est. 0.07in
    • Snowfall: 0%
    • Wind
      9.4 mph
    • Humidity
      82% avg.
    • UV Index
      5.4
    • Air Quality
      Good
    • Sunrise
      06:31 AM
    • Sunset
      06:45 PM
    • Moonrise
      04:40 PM
    • Moonset
      01:19 AM
    • Moon Phase
      Waxing Gibbous
Millis, MA Weather Forecast - 9-22-26 - Overcast

Overcast

Tue 9-22-26

Overcast with a high of 59°F and a low of 52°F. There might be light rainfall having a 17% chance. Wind will be moderate, blowing around 12mph on average and gusts of 21mph at 7 AM. The humidity will be on the higher side, averaging about 67%, the maximum being 87% at 1 AM and 52% being its lowest at 1 PM. Barometric pressure is its highest of 30.44inHg at 9 PM, a lowest point of 30.25inHg at 12 AM with an avg 30.37inHg.

    • HI: 59°F
    • LO: 52°F
    • Rainfall: 17%
    • Snowfall: 0%
    • Wind
      11.2 mph
    • Humidity
      67% avg.
    • UV Index
      1.7
    • Air Quality
      Good
    • Sunrise
      06:32 AM
    • Sunset
      06:43 PM
    • Moonrise
      05:04 PM
    • Moonset
      02:22 AM
    • Moon Phase
      Waxing Gibbous
Millis, MA Weather Forecast - 9-23-26 - Overcast

Overcast

Wed 9-23-26

Overcast with a high of 60°F and a low of 55°F. There's a moderate 36% chance of rainfall with an estimated 0.01in. Wind will be moderate, blowing around 14mph on average and gusts of 24.7mph at 10 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 73% at 1 PM and 57% being its lowest at 12 AM. Barometric pressure is its highest of 30.51inHg at 11 AM, a lowest point of 30.41inHg at 11 PM with an avg 30.46inHg.

    • HI: 60°F
    • LO: 55°F
    • Rainfall: 36% | est. 0.01in
    • Snowfall: 0%
    • Wind
      13.2 mph
    • Humidity
      65% avg.
    • UV Index
      3.2
    • Air Quality
      Good
    • Sunrise
      06:34 AM
    • Sunset
      06:41 PM
    • Moonrise
      05:26 PM
    • Moonset
      03:26 AM
    • Moon Phase
      Waxing Gibbous
Millis, MA Weather Forecast - 9-24-26 - Light Rain

Light Rain

Thu 9-24-26

Light Rain with a high of 55°F and a low of 53°F. It will likey rain, having a 91% chance of a downpour with an estimated 0.91in. Winds will be strong at speeds peaking at 21mph and gusts of 45.6mph at 8 PM. High humidity with average of 89% is anticipated, the maximum being 97% at 1 PM and 66% being its lowest at 12 AM. Barometric pressure is its highest of 30.38inHg at 12 AM, a lowest point of 29.86inHg at 11 PM with an avg 30.13inHg.

    • HI: 55°F
    • LO: 53°F
    • Rainfall: 91% | est. 0.91in
    • Snowfall: 0%
    • Wind
      20.8 mph
    • Humidity
      89% avg.
    • UV Index
      3
    • Air Quality
      Good
    • Sunrise
      06:35 AM
    • Sunset
      06:39 PM
    • Moonrise
      05:45 PM
    • Moonset
      04:29 AM
    • Moon Phase
      Full Moon
Millis, MA Weather Forecast - 9-25-26 - Light Rain Shower

Light Rain Shower

Fri 9-25-26

Light Rain Shower with a high of 53°F and a low of 51°F. It will likey rain, having a 93% chance of a downpour with an estimated 0.49in. Wind will be moderate, blowing around 19mph on average and gusts of 41.4mph at 12 AM. High humidity with average of 95% is anticipated, the maximum being 97% at 11 AM and 92% being its lowest at 5 PM. Barometric pressure is its highest of 29.84inHg at 12 AM, a lowest point of 29.71inHg at 12 PM with an avg 29.75inHg.

    • HI: 53°F
    • LO: 51°F
    • Rainfall: 93% | est. 0.49in
    • Snowfall: 0%
    • Wind
      18.8 mph
    • Humidity
      95% avg.
    • UV Index
      3
    • Air Quality
      TBA
    • Sunrise
      06:36 AM
    • Sunset
      06:38 PM
    • Moonrise
      06:04 PM
    • Moonset
      05:31 AM
    • Moon Phase
      Full Moon

This 5-Day weather forecast is valid for ZIP code 02054, accurately covering the area of Millis, MA.

Currently

Overcast 53°F
30.17 inHg.
Barometer
72%
Humidity
SSE 6.1 mph
Wind
Overcast

National Outlook

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