Hillsborough County, NH Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Hillsborough County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 96. Heat index values as high as 99. West wind 10 to 15 mph, with gusts as high as 25 mph.
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
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 2:37 PM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Hillsborough County
This Afternoon looks like the warmest upcoming period in Hillsborough County at 96 degrees F.
Friday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for This Afternoon at about 10 to 15 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 2:37 PM EDT
- Coverage
- 7 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
Partly cloudy, with a low around 75. Heat index values as high as 97. West wind around 10 mph, with gusts as high as 25 mph.
Mostly sunny, with a high near 92. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 66. West wind 5 to 10 mph, with gusts as high as 25 mph.
Sunny, with a high near 90. West wind 5 to 15 mph, with gusts as high as 25 mph.
Partly cloudy, with a low around 63.
Sunny, with a high near 83.
Mostly clear, with a low around 59.
A chance of rain showers after 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
A chance of rain showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
A chance of rain showers before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jul 14
|
Mostly Sunny
|
96°F |
10 to 15 mph
W
|
|
Tonight
Jul 14
|
Partly Cloudy
|
75°F |
10 mph
W
|
|
Wednesday
Jul 15
|
Mostly Sunny
|
92°F |
10 to 15 mph
NW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
66°F |
5 to 10 mph
W
|
|
Thursday
Jul 16
|
Sunny
|
90°F |
5 to 15 mph
W
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
63°F |
5 to 10 mph
NW
|
|
Friday
Jul 17
|
Sunny
|
83°F |
5 to 10 mph
NW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
59°F |
0 to 5 mph
NW
|
|
Saturday
Jul 18
|
Mostly Sunny then Chance Rain Showers
|
84°F |
0 to 5 mph
W
|
|
Saturday Night
Jul 18
|
Chance Rain Showers
|
62°F |
0 to 5 mph
SW
|
|
Sunday
Jul 19
|
Chance Rain Showers
|
83°F |
0 to 5 mph
W
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
62°F |
0 to 5 mph
SW
|
|
Monday
Jul 20
|
Chance Rain Showers
|
83°F |
0 to 5 mph
W
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
63°F |
0 to 5 mph
SW
|
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.
