See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:56
Sunrise
19:08
Sunset
Moon
Waxing Crescent
12:43
Moonrise
21:18
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Olney.
Resources
UV Index
Humidity
Weather in Olney today, September 16, 2026
Plan for bright conditions in Olney on September 16, 2026, though cloud cover thickens for a spell near 17:00. The day as a whole still leans toward sunshine. Morning skies stay relatively clear, holding cloud close to 3% near 10:00. The early part of the day favours being outside.
The temperature range runs from about 14°C up to 30°C. The air stays humid, with relative humidity between 38% and 72% and the peak around 22:00. Airflow remains manageable, reaching about 3.2 km/h around 10:00.
Through the afternoon skies look more workable, with cloud near 41% around 17:00. Later outdoor plans have a clearer window than the morning may have suggested. Views remain open at about 16.1 km. Expect sunrise at 06:56, sunset at 19:08, and 12 hours 11 minutes of sunlight today overall.
Overall, Olney on September 16, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 30°C.
Frequently asked questions about weather in Olney
How warm does it get in Olney?
The warmest month in Olney is July, with average high temperatures of 31°C. The average temperature during this period is around 26°C.
How cold does it get in Olney?
The coldest month in Olney is January, with average low temperatures of -1°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Olney?
The wettest month in Olney is July, with an average of 160mm of precipitation.
What is the driest time of year in Olney?
The driest month in Olney is November, with an average of 74mm of precipitation.
Explore more weather forecasts
- Cloverly, Maryland
- New York City, New York
- Aspen Hill, Maryland
- Los Angeles, California
- Colesville, Maryland
- Brooklyn, New York
- Rockville, Maryland
- Chicago, Illinois
- Glenmont, Maryland
- Houston, Texas
- Montgomery Village, Maryland
- Queens, New York
- Gaithersburg, Maryland
- Phoenix, Arizona
- Wheaton, Maryland
- Philadelphia, Pennsylvania