Live Weather & Forecast
Weather in Hillsborough
California, United States · Real-time conditions & 3-day outlook
13°C
Feels like 12°C
55°F / Feels 53°F
Partly cloudy
Hillsborough, California
🌙 Nighttime
Updated: 2026-04-12 21:45
Humidity
77%
Wind
11.9 km/h WSW
Wind Gust
19 km/h
Pressure
1016 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
7.2°C
Wind Degree
253°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
144.9 μg/m³
NO₂
14.2 μg/m³
O₃
67 μg/m³
SO₂
2.5 μg/m³
PM 2.5
8.4 μg/m³
PM 10
10.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for Hillsborough, California
12 AM
10°
Clear
1 AM
10°
Clear
2 AM
10°
Patchy rain nearby
3 AM
10°
Light drizzle
4 AM
10°
Overcast
5 AM
10°
Patchy rain nearby
6 AM
10°
Clear
7 AM
10°
Sunny
8 AM
11°
Patchy rain nearby
9 AM
12°
Light rain
10 AM
12°
Patchy rain nearby
11 AM
14°
Moderate rain
12 PM
14°
Patchy rain nearby
1 PM
15°
Cloudy
2 PM
15°
Partly Cloudy
3 PM
16°
Sunny
4 PM
16°
Partly Cloudy
5 PM
16°
Sunny
6 PM
14°
Sunny
7 PM
13°
Cloudy
8 PM
12°
Clear
9 PM
13°
Partly cloudy
10 PM
10°
Clear
11 PM
10°
Clear
3-Day Forecast
Daily overview for Hillsborough, California
Today
Moderate rain
17°
/
9°
🌧️ 88% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 37.4 km/h
🌧️ Total precip: 8.53 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:38 AM
🌇 Sunset: 07:43 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Sunny
18°
/
9°
🌧️ 0% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 20.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:37 AM
🌇 Sunset: 07:43 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Cloudy
14°
/
10°
🌧️ 0% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 22 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:35 AM
🌇 Sunset: 07:44 PM
🌙 Waning Crescent
🌑 Moon: 15% 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 13°C, humidity 77%.
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 37.6° 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 California.
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 37.5573, -122.3625.