Live Weather & Forecast
Weather in Hillsborough
New Hampshire, United States · Real-time conditions & 3-day outlook
18°C
Feels like 18°C
64°F / Feels 64°F
Partly cloudy
Hillsborough, New Hampshire
🌞 Daytime
Updated: 2026-04-15 10:30
Humidity
70%
Wind
7.6 km/h S
Wind Gust
8.7 km/h
Pressure
1013 mb
Visibility
16 km
UV Index
2.8
(Low)
Precipitation
0 mm
Cloud Cover
50%
Dew Point
12.3°C
Wind Degree
173°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
150.9 μg/m³
NO₂
1.6 μg/m³
O₃
104 μg/m³
SO₂
1.4 μg/m³
PM 2.5
5.5 μg/m³
PM 10
6.8 μg/m³
Weather Alerts 1
Met
· Moderate · Expected
Special Weather Statement issued April 15 at 6:38AM EDT by NWS Gray ME
Fog has gradually developed overnight and some areas of dense fog are expected for the next couple of hours before slow, steady improvement of visibility occurs. Visibility will be particularly low near the coast and along hilltops. Be prepared for rapidly changing visibility conditions on area roads, and leave yourself plenty of stopping distance between other vehicles.
Today's Hourly Forecast
24-hour breakdown for Hillsborough, New Hampshire
12 AM
16°
Clear
1 AM
15°
Partly Cloudy
2 AM
14°
Clear
3 AM
14°
Clear
4 AM
13°
Clear
5 AM
12°
Clear
6 AM
12°
Clear
7 AM
13°
Sunny
8 AM
15°
Sunny
9 AM
16°
Sunny
10 AM
18°
Partly cloudy
11 AM
20°
Sunny
12 PM
22°
Sunny
1 PM
23°
Sunny
2 PM
23°
Sunny
3 PM
23°
Patchy rain nearby
4 PM
22°
Partly Cloudy
5 PM
22°
Patchy rain nearby
6 PM
20°
Sunny
7 PM
15°
Partly Cloudy
8 PM
14°
Thundery outbreaks in nearby
9 PM
13°
Partly Cloudy
10 PM
11°
Cloudy
11 PM
11°
Heavy rain
3-Day Forecast
Daily overview for Hillsborough, New Hampshire
Today
Moderate rain
24°
/
8°
🌧️ 87% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 7.6 km/h
🌧️ Total precip: 14.02 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:05 AM
🌇 Sunset: 07:31 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Heavy rain
25°
/
8°
🌧️ 89% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 14.4 km/h
🌧️ Total precip: 122.26 mm
☀️ UV Index: 0.5
🌅 Sunrise: 06:04 AM
🌇 Sunset: 07:32 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Heavy rain
18°
/
12°
🌧️ 88% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 12.6 km/h
🌧️ Total precip: 43.04 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:02 AM
🌇 Sunset: 07:33 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Hillsborough
Plan your trip to Hillsborough, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Hillsborough?
Current conditions in Hillsborough: Partly cloudy, temperature 18°C, humidity 70%.
What is the best time to visit Hillsborough?
The best time to visit Hillsborough is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Hillsborough?
Hillsborough is located at approximately 43.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Hillsborough?
The wettest period in Hillsborough is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Hillsborough?
For visits to Hillsborough during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Hillsborough in?
Hillsborough is located in United States, in the state of New Hampshire.
What are the public holidays in Hillsborough in 2026?
View the 2026 public holidays for Hillsborough on our Holidays page.
What are the GPS coordinates used for the weather forecast in Hillsborough?
The weather forecast for Hillsborough uses coordinates 43.115, -71.8949.