Dorchester, NH Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Dorchester, NH in one place.
Mostly sunny, with a high near 64. South wind around 5 mph.
Local Weather Overview
This forecast page for Dorchester, NH is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 15, 2026 12:18 PM EDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Dorchester, NH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 12:18 PM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Dorchester
Wednesday looks like the warmest upcoming period in Dorchester at 73 degrees F.
Friday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph NW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 12:18 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- GYX
- Radar station
- KCXX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 48. Southeast wind 0 to 5 mph.
Partly sunny, with a high near 73. Southwest wind 0 to 5 mph.
Mostly cloudy, with a low around 53. Northwest wind around 0 mph.
A chance of rain showers after 9am. Partly sunny, with a high near 69. East wind 0 to 5 mph. Chance of precipitation is 50%.
A chance of rain showers before 8pm, then a chance of showers and thunderstorms between 8pm and 4am. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Mostly sunny, with a high near 66.
Mostly clear, with a low around 41.
Mostly sunny, with a high near 61.
A chance of rain showers after 7pm. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Rain showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Rain showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
A chance of rain showers. Partly sunny, with a high near 59. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a low around 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Sep 15
|
Mostly Sunny
|
64°F |
5 mph
S
|
|
Tonight
Sep 15
|
Partly Cloudy
|
48°F |
0 to 5 mph
SE
|
|
Wednesday
Sep 16
|
Partly Sunny
|
73°F |
0 to 5 mph
SW
|
|
Wednesday Night
Sep 16
|
Mostly Cloudy
|
53°F |
0 mph
|
|
Thursday
Sep 17
|
Chance Rain Showers
|
69°F |
0 to 5 mph
E
|
|
Thursday Night
Sep 17
|
Chance Showers And Thunderstorms
|
55°F |
0 to 5 mph
SW
|
|
Friday
Sep 18
|
Mostly Sunny
|
66°F |
5 to 10 mph
NW
|
|
Friday Night
Sep 18
|
Mostly Clear
|
41°F |
5 to 10 mph
NW
|
|
Saturday
Sep 19
|
Mostly Sunny
|
61°F |
0 to 5 mph
W
|
|
Saturday Night
Sep 19
|
Chance Rain Showers
|
46°F |
0 to 5 mph
SE
|
|
Sunday
Sep 20
|
Rain Showers Likely
|
60°F |
5 mph
S
|
|
Sunday Night
Sep 20
|
Rain Showers Likely
|
47°F |
5 mph
NW
|
|
Monday
Sep 21
|
Chance Rain Showers
|
59°F |
5 mph
N
|
|
Monday Night
Sep 21
|
Chance Rain Showers
|
44°F |
5 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Dorchester.