Live Weather & Forecast
Weather in Gaithersburg
Maryland, United States · Real-time conditions & 3-day outlook
17°C
Feels like 17°C
62°F / Feels 62°F
Sunny
Gaithersburg, Maryland
🌞 Daytime
Updated: 2026-04-13 08:00
Humidity
96%
Wind
20.9 km/h SSW
Wind Gust
32.5 km/h
Pressure
1022 mb
Visibility
16 km
UV Index
0.5
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
12.3°C
Wind Degree
209°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
185.9 μg/m³
NO₂
6.4 μg/m³
O₃
103 μg/m³
SO₂
4.5 μg/m³
PM 2.5
6.3 μg/m³
PM 10
6.5 μg/m³
Weather Alerts 1
Met
· Moderate · Expected
Special Weather Statement issued April 12 at 1:43PM EDT by NWS Baltimore MD/Washington DC
The combination of 10 hour fuel moistures around 8 to 10 percent relative humidities around 30 to 39 percent, and wind gusts around 20 to 25 mph will lead to an increased risk for the rapid spread of wildfires on Monday. Residents and visitors are urged to properly dispose of cigarette butts, matches, and any other flammable items in appropriate containers. Additionally, exercise caution if opera...
Today's Hourly Forecast
24-hour breakdown for Gaithersburg, Maryland
12 AM
14°
Clear
1 AM
14°
Clear
2 AM
14°
Clear
3 AM
14°
Clear
4 AM
15°
Clear
5 AM
16°
Clear
6 AM
16°
Clear
7 AM
17°
Sunny
8 AM
17°
Sunny
9 AM
21°
Sunny
10 AM
25°
Sunny
11 AM
27°
Sunny
12 PM
28°
Sunny
1 PM
28°
Sunny
2 PM
27°
Patchy rain nearby
3 PM
27°
Patchy rain nearby
4 PM
27°
Sunny
5 PM
27°
Sunny
6 PM
25°
Sunny
7 PM
22°
Sunny
8 PM
20°
Clear
9 PM
19°
Clear
10 PM
19°
Clear
11 PM
18°
Partly Cloudy
3-Day Forecast
Daily overview for Gaithersburg, Maryland
Today
Sunny
30°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 24.1 km/h
🌧️ Total precip: 0.09 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:35 AM
🌇 Sunset: 07:45 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
27°
/
14°
🌧️ 0% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 14.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:33 AM
🌇 Sunset: 07:46 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Sunny
33°
/
20°
🌧️ 0% chance of rain
💧 Avg. humidity: 55%
💨 Max wind: 16.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.1
🌅 Sunrise: 06:32 AM
🌇 Sunset: 07:47 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Gaithersburg
Plan your trip to Gaithersburg, 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 Gaithersburg?
Current conditions in Gaithersburg: Sunny, temperature 17°C, humidity 96%.
What is the best time to visit Gaithersburg?
The best time to visit Gaithersburg is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Gaithersburg?
Gaithersburg is located at approximately 39.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Gaithersburg?
The wettest period in Gaithersburg is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Gaithersburg?
For visits to Gaithersburg during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Gaithersburg in?
Gaithersburg is located in United States, in the state of Maryland.
What are the public holidays in Gaithersburg in 2026?
View the 2026 public holidays for Gaithersburg on our Holidays page.
What are the GPS coordinates used for the weather forecast in Gaithersburg?
The weather forecast for Gaithersburg uses coordinates 39.1399, -77.1929.