Hillsborough County, NH Weather Forecast
County weather hub
Chance Light Rain
Compare major city weather across Hillsborough County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain. Mostly cloudy, with a high near 61. Chance of precipitation is 50%.
County Weather Overview
This county weather page brings together forecast coverage for Hillsborough County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 11 of 11 mapped cities in Hillsborough County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 13 to Oct 17, 2026
- Latest sync
- Oct 11, 2026 4:40 AM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Hillsborough County
Wednesday looks like the warmest upcoming period in Hillsborough County at 66 degrees F.
Thursday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Friday Night at about 5 to 15 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 11, 2026 4:40 AM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- GYX
- Radar station
- KBOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain before 2am, then a chance of rain showers. Mostly cloudy, with a low around 53. Chance of precipitation is 80%.
A chance of rain showers before 8am. Mostly sunny, with a high near 66. Chance of precipitation is 40%.
Mostly clear, with a low around 43.
Sunny, with a high near 59.
Partly cloudy, with a low around 39.
A chance of rain showers after 7am. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a low around 42. Chance of precipitation is 50%.
A chance of rain showers. Partly sunny, with a high near 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Chance Light Rain
|
61°F |
5 mph
SE
|
|
Tuesday Night
Oct 13
|
Light Rain
|
53°F |
5 to 10 mph
SW
|
|
Wednesday
Oct 14
|
Chance Rain Showers then Mostly Sunny
|
66°F |
10 mph
W
|
|
Wednesday Night
Oct 14
|
Mostly Clear
|
43°F |
5 to 10 mph
NW
|
|
Thursday
Oct 15
|
Sunny
|
59°F |
5 to 10 mph
NW
|
|
Thursday Night
Oct 15
|
Partly Cloudy
|
39°F |
0 to 5 mph
NW
|
|
Friday
Oct 16
|
Chance Rain Showers
|
59°F |
0 to 10 mph
S
|
|
Friday Night
Oct 16
|
Chance Rain Showers
|
42°F |
5 to 15 mph
SW
|
|
Saturday
Oct 17
|
Chance Rain Showers
|
54°F |
15 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Hillsborough County.
Coverage
Forecast coverage currently spans 11 of 11 mapped cities in Hillsborough County.
Largest mapped city population in this region: 112,546.
