Weather forecast for 10 daysAdelphi, MD

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 55°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 12mphN 0°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:19 am EDT
  • Sunset: 6:26 pm EDT
  • ▼
Today, in Adelphi, changing cloud patterns will allow for periods of sunshine.
Temperature is predicted to swing from a high of a refreshing 55.4°F to a low of an icy 37.4°F.
Today, temperatures will feel colder as the forecast mirrors November's average high rather than October's.
Sunrise was at 7:19 am and sunset will be at 6:26 pm; the daylight will last for 11h and 7min.

Sunday Oct 18, 2026

  • 63°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphNNE 27°
  • Humidity: 44%
  • UV index: 5
  • Sunrise: 7:20 am EDT
  • Sunset: 6:25 pm EDT
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Tomorrow, on Sunday, October 18, bright and sunny weather is expected.
The temperature is anticipated to vary between an enjoyable 62.6°F and a wintry 39.2°F.
The temperature for tomorrow is forecasted to be relatively lower than the October average of 66.4°F.
Sunrise will be at 7:20 am and sunset at 6:25 pm; tomorrow's daylight will last for 11h and 5min.

10-day overview

Daily temperatures

Warmest day: Tuesday 72°C.
Coldest day: today 55°C.

Chance of precipitation

Highest chance: Sunday - Monday 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 55°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 12mphN 0°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:19 am EDT
  • Sunset: 6:26 pm EDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 63°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphNNE 27°
  • Humidity: 44%
  • UV index: 5
  • Sunrise: 7:20 am EDT
  • Sunset: 6:25 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphN 8°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:21 am EDT
  • Sunset: 6:23 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 10mphN 359°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:22 am EDT
  • Sunset: 6:22 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphNNE 12°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:23 am EDT
  • Sunset: 6:21 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 70°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 9mphN 351°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:24 am EDT
  • Sunset: 6:19 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 66°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 8mphN 9°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:25 am EDT
  • Sunset: 6:18 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 63°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 8mphNNE 22°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:26 am EDT
  • Sunset: 6:17 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 64°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.04"
  • Wind: 7mphN 356°
  • Humidity: 65%
  • UV index: 4
  • Sunrise: 7:27 am EDT
  • Sunset: 6:15 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 70°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphNNW 339°
  • Humidity: 66%
  • UV index: 4
  • Sunrise: 7:29 am EDT
  • Sunset: 6:14 pm EDT
  • ▼
Looking ahead to the next ten days, a combination of dry and sunny and dull weather is forecasted.
With a 24% probability, rainfall is predicted only for next Sunday. The precipitation will be minimal at 0.04".
Temperature fluctuation will be noticeable across the forecast period. The maximum temperature will vary between 55.4°F and 71.6°F, while the lowest night temperatures will vary also significantly, as the overnight lows will vary from 37.4°F to 50°F.
With the highest temperature of 71.6°F, Tuesday will be the warmest day; today is the coldest day, with a maximum temperature of 55.4°F.
Updated: Oct 17, 2026 @ 17:44:51 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, clouds and sunshine will create a dynamic sky throughout the day.

Today, the maximum temperature will be 55.4°F, while the minimum temperature will be 37.4°F.
Today, the highest temperature will be noticeably lower than the average maximum of 66.4°F in October. The lowest temperature today will be also significantly lower than the average low of 50.9°F.

On Saturday, in Adelphi, sunrise was at 7:19 am and sunset will be at 6:26 pm (EDT).

In Adelphi, today, there will be 11h and 7min of daylight.

On Sunday, the outlook remains bright and sunny.

Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 39.2°F.
The maximum temperature will be relatively lower than the average highest temperature of 66.4°F in October. Tomorrow, the lowest temperature will be notably lower than the average low of 50.9°F.

On Sunday, in Adelphi, sunrise will be at 7:20 am and sunset at 6:25 pm (EDT).

Tomorrow, the daylight will last for 11h and 5min.