Weather for Marcus Hook, Pennsylvania
Current Weather
Humidity: 75%
Feels Like: 95.2°F
Wind: NW 7.2 mph
Wind Gusts: 9.1 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 1.6
Five Day Weather Forecast
Thu
H: 99°F
L: 73°F
Fri
H: 68°F
L: 64°F
Sat
H: 89°F
L: 64°F
Sun
H: 92°F
L: 72°F
Mon
H: 90°F
L: 71°F
Air Quality
Nitrogen Dioxide: 23.31 μg/m3
Sulphur Dioxide: 7.4 μg/m3
Ozone: 103 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 8:34 PM
Daylight: 14 hrs 59 mins
Moon Transit: 2:24 PM
Moonset: 10:12 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
3:25 AM - 5:55 AM1:54 PM - 4:24 PM
Minor Periods
9:42 PM - 11:12 PM5:58 AM - 7:28 AM
Action Rating: 5 out of 5
Heat Advisory issued June 26 at 12:50PM EDT until June 26 at 8:00PM EDT by NWS Mount Holly NJ
Effective: Thu June 26, 2025, 12:50 PM
Expires: Thu June 26, 2025, 8:00 PM
* WHAT...Heat index values up to 99. * WHERE...In New Jersey, Camden and Gloucester Counties. In Pennsylvania, Delaware, Eastern Chester, Eastern Montgomery, and Philadelphia Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Severe Thunderstorm Watch issued June 26 at 2:20PM EDT until June 26 at 10:00PM EDT by NWS Mount Holly NJ
Effective: Thu June 26, 2025, 2:20 PM
Expires: Thu June 26, 2025, 10:00 PM
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 464 IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN DELAWARE THIS WATCH INCLUDES 3 COUNTIES IN CENTRAL DELAWARE KENT IN NORTHERN DELAWARE NEW CASTLE IN SOUTHERN DELAWARE SUSSEX IN MARYLAND THIS WATCH INCLUDES 4 COUNTIES IN NORTHEAST MARYLAND CAROLINE KENT QUEEN ANNE'S TALBOT IN NEW JERSEY THIS WATCH INCLUDES 4 COUNTIES IN SOUTHERN NEW JERSEY CAPE MAY CUMBERLAND GLOUCESTER SALEM IN PENNSYLVANIA THIS WATCH INCLUDES 7 COUNTIES IN EAST CENTRAL PENNSYLVANIA BERKS LEHIGH IN NORTHEAST PENNSYLVANIA CARBON IN SOUTHEAST PENNSYLVANIA CHESTER DELAWARE MONTGOMERY PHILADELPHIA THIS INCLUDES THE CITIES OF ALLENTOWN, CENTREVILLE, CHESTERTOWN, DENTON, DEPTFORD, DOVER, EASTON, GEORGETOWN, GLASSBORO, JIM THORPE, MEDIA, MILLVILLE, NORRISTOWN, OCEAN CITY, PENNSVILLE, PHILADELPHIA, READING, WEST CHESTER, AND WILMINGTON.
Severe Thunderstorm Watch issued June 26 at 2:20PM EDT until June 26 at 10:00PM EDT by NWS Mount Holly NJ
Effective: Thu June 26, 2025, 2:20 PM
Expires: Thu June 26, 2025, 10:00 PM
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 464 IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN DELAWARE THIS WATCH INCLUDES 3 COUNTIES IN CENTRAL DELAWARE KENT IN NORTHERN DELAWARE NEW CASTLE IN SOUTHERN DELAWARE SUSSEX IN MARYLAND THIS WATCH INCLUDES 4 COUNTIES IN NORTHEAST MARYLAND CAROLINE KENT QUEEN ANNE'S TALBOT IN NEW JERSEY THIS WATCH INCLUDES 4 COUNTIES IN SOUTHERN NEW JERSEY CAPE MAY CUMBERLAND GLOUCESTER SALEM IN PENNSYLVANIA THIS WATCH INCLUDES 7 COUNTIES IN EAST CENTRAL PENNSYLVANIA BERKS LEHIGH IN NORTHEAST PENNSYLVANIA CARBON IN SOUTHEAST PENNSYLVANIA CHESTER DELAWARE MONTGOMERY PHILADELPHIA THIS INCLUDES THE CITIES OF ALLENTOWN, CENTREVILLE, CHESTERTOWN, DENTON, DEPTFORD, DOVER, EASTON, GEORGETOWN, GLASSBORO, JIM THORPE, MEDIA, MILLVILLE, NORRISTOWN, OCEAN CITY, PENNSVILLE, PHILADELPHIA, READING, WEST CHESTER, AND WILMINGTON.
Coastal Flood Advisory issued June 26 at 2:15PM EDT until June 27 at 2:00AM EDT by NWS Mount Holly NJ
Effective: Thu June 26, 2025, 2:15 PM
Expires: Fri June 27, 2025, 2:00 AM
* WHAT...Up to one half foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...In Delaware, New Castle. In New Jersey, Salem. * WHEN...From 10 PM this evening to 2 AM EDT Friday. * IMPACTS...At this level, flooding begins on the most vulnerable roads along tidal waterways. Some partial or full road closures are possible.
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Heat Advisory issued June 26 at 12:50PM EDT until June 26 at 8:00PM EDT by NWS Mount Holly NJ
Effective: Thu June 26, 2025, 12:50 PM
Expires: Thu June 26, 2025, 8:00 PM
* WHAT...Heat index values up to 99. * WHERE...In New Jersey, Camden and Gloucester Counties. In Pennsylvania, Delaware, Eastern Chester, Eastern Montgomery, and Philadelphia Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Weather Forecast
Average Temperature: 84.3°F
Average Humidity: 75%
Wind: 11 mph
UV Index: 2.7
Air Quality
Nitrogen Dioxide: 25.91 μg/m3
Sulphur Dioxide: 8.16 μg/m3
Ozone: 94.44 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 8:34 PM
Daylight: 14 hrs 59 mins
Moon Transit: 2:24 PM
Moonset: 10:12 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
3:25 AM - 5:55 AM1:54 PM - 4:24 PM
Minor Periods
9:42 PM - 11:12 PM5:58 AM - 7:28 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 67°F
Average Humidity: 87%
Wind: 10.1 mph
UV Index: 1.6
Air Quality
Nitrogen Dioxide: 17.28 μg/m3
Sulphur Dioxide: 6.45 μg/m3
Ozone: 91.52 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 8:34 PM
Daylight: 14 hrs 59 mins
Moon Transit: 3:20 PM
Moonset: 10:48 PM
Moon Phase: New
Moon Illumination: 2.0%
Best Times for Fishing or Hunting
Major Periods
4:24 AM - 6:54 AM2:50 PM - 5:20 PM
Minor Periods
10:18 PM - 11:48 PM7:12 AM - 8:42 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 73.9°F
Average Humidity: 86%
Wind: 8.9 mph
UV Index: 2.4
Air Quality
Nitrogen Dioxide: 19.75 μg/m3
Sulphur Dioxide: 5.38 μg/m3
Ozone: 100.64 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:34 PM
Daylight: 14 hrs 59 mins
Moon Transit: 4:11 PM
Moonset: 11:17 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.5%
Best Times for Fishing or Hunting
Major Periods
5:17 AM - 7:47 AM3:41 PM - 6:11 PM
Minor Periods
12:00 AM - 12:00 AM8:24 AM - 9:54 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 80.4°F
Average Humidity: 76%
Wind: 6.7 mph
UV Index: 0.7
Air Quality
Nitrogen Dioxide: 21.59 μg/m3
Sulphur Dioxide: 6.19 μg/m3
Ozone: 110.6 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:34 PM
Daylight: 14 hrs 58 mins
Moon Transit: 4:58 PM
Moonset: 12:17 AM
Moon Phase: Waxing Crescent
Moon Illumination: 13.1%
Best Times for Fishing or Hunting
Major Periods
6:05 AM - 8:35 AM4:28 PM - 6:58 PM
Minor Periods
9:33 AM - 11:03 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 77.8°F
Average Humidity: 81%
Wind: 10.5 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 33.43 μg/m3
Sulphur Dioxide: 6.89 μg/m3
Ozone: 78.08 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:34 PM
Daylight: 14 hrs 58 mins
Moon Transit: 5:40 PM
Moonset: 12:41 AM
Moon Phase: Waxing Crescent
Moon Illumination: 21.6%
Best Times for Fishing or Hunting
Major Periods
6:49 AM - 9:19 AM5:10 PM - 7:40 PM
Minor Periods
10:38 AM - 12:08 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5