Water Temperature of East Branch Brandywine Creek in Downingtown, PA

Current Water Temperature

68.4°F

Measurement Time: Saturday, June 21, 2025, 5:45 AM EDT

Temperature Locations

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Local Points of Interest

M. John Johnson Nature Center

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East Branch Brandywine Creek

Station Name: East Branch Brandywine Creek below Downingtown, PA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 213 feet / 65 meters

Nearest Address:
Downingtown Pike
Downingtown, PA 19380
Chester County

GPS Coordinates: 39.9687191, -75.6732715

Nearby Water Temperatures

West Branch Brandywine Creek, Modena, PA (6.8 mi)
Brandywine Creek, Chadds Ford, PA (8.0 mi)
West Branch Brandywine Creek, Coatesville, PA (8.2 mi)
East Branch White Clay Creek, Avondale, PA (9.6 mi)
West Branch Brandywine Creek, Coatesville, PA (9.9 mi)
East Branch White Clay Creek, Avondale, PA (11.2 mi)
Trout Run, Avondale, PA (11.6 mi)
Middle Branch White Clay Creek , West Grove, PA (13.1 mi)
French Creek, Phoenixville, PA (13.2 mi)
Valley Creek, Chesterbrook, PA (13.6 mi)
Red Clay Creek, Wooddale, DE (14.4 mi)
Brandywine Creek, Wilmington, DE (14.7 mi)
West Branch White Clay Creek, Landenberg, PA (15.5 mi)
White Clay Creek, Landenberg, PA (16.1 mi)
Christina River, Wilmington, DE (17.5 mi)

Weather for Downingtown, Pennsylvania

Current Weather

79°F
Sunny
Conditions: Sunny
Humidity: 65%
Feels Like: 81.1°F
Wind: SW 4.3 mph
Wind Gusts: 5 mph
Pressure: 30.18 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 4.9

Five Day Weather Forecast

Partly Cloudy
Sat
H: 92°F
L: 69°F
Sunny
Sun
H: 93°F
L: 70°F
Sunny
Mon
H: 102°F
L: 79°F
Sunny
Tue
H: 95°F
L: 77°F
Patchy rain nearby
Wed
H: 92°F
L: 73°F

Air Quality

AQI: 2 - Moderate
PM2.5: 19.06 μg/m3
PM10: 19.98 μg/m3
Carbon Monoxide: 370 μg/m3
Nitrogen Dioxide: 5 μg/m3
Sulphur Dioxide: 8.33 μg/m3
Ozone: 151 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:04 PM
Sunset: 8:35 PM
Daylight: 15 hrs 1 mins
Moonrise: 2:08 AM
Moon Transit: 9:16 AM
Moonset: 4:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

8:46 AM - 11:16 AM
12:00 AM - 12:00 AM

Minor Periods

4:08 PM - 5:38 PM
1:38 AM - 3:08 AM

Action Rating: 2 out of 5

Extreme Heat Warning issued June 21 at 2:06AM EDT until June 25 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Sat June 21, 2025, 2:06 AM
Expires: Sat June 21, 2025, 3:15 PM

* WHAT...Dangerously hot conditions with heat index values up to 108 expected. * WHERE...Portions of east central and southeast Pennsylvania. * WHEN...From 8 AM Sunday to 8 PM EDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...The highest temperatures and heat indices will be Monday and Tuesday. Low temperatures near 75 to 80 degrees will not offer much relief at night.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.


Extreme Heat Warning issued June 21 at 2:06AM EDT until June 25 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Sat June 21, 2025, 2:06 AM
Expires: Sat June 21, 2025, 3:15 PM

* WHAT...Dangerously hot conditions with heat index values up to 108 expected. * WHERE...Portions of east central and southeast Pennsylvania. * WHEN...From 8 AM Sunday to 8 PM EDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...The highest temperatures and heat indices will be Monday and Tuesday. Low temperatures near 75 to 80 degrees will not offer much relief at night.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.


Extreme Heat Warning issued June 21 at 2:06AM EDT until June 25 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Sat June 21, 2025, 2:06 AM
Expires: Sat June 21, 2025, 3:15 PM

* WHAT...Dangerously hot conditions with heat index values up to 108 expected. * WHERE...Portions of east central and southeast Pennsylvania. * WHEN...From 8 AM Sunday to 8 PM EDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...The highest temperatures and heat indices will be Monday and Tuesday. Low temperatures near 75 to 80 degrees will not offer much relief at night.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.


Extreme Heat Warning issued June 21 at 2:06AM EDT until June 25 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Sat June 21, 2025, 2:06 AM
Expires: Sat June 21, 2025, 3:15 PM

* WHAT...Dangerously hot conditions with heat index values up to 108 expected. * WHERE...Portions of east central and southeast Pennsylvania. * WHEN...From 8 AM Sunday to 8 PM EDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...The highest temperatures and heat indices will be Monday and Tuesday. Low temperatures near 75 to 80 degrees will not offer much relief at night.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.


Extreme Heat Warning issued June 21 at 2:06AM EDT until June 25 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Sat June 21, 2025, 2:06 AM
Expires: Sat June 21, 2025, 3:15 PM

* WHAT...Dangerously hot conditions with heat index values up to 108 expected. * WHERE...Portions of east central and southeast Pennsylvania. * WHEN...From 8 AM Sunday to 8 PM EDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...The highest temperatures and heat indices will be Monday and Tuesday. Low temperatures near 75 to 80 degrees will not offer much relief at night.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Saturday, June 21, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 79.8°F
Average Humidity: 66%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 2.5

Air Quality

AQI: 2 - Moderate
PM2.5: 22.61 μg/m3
PM10: 23.23 μg/m3
Carbon Monoxide: 446.22 μg/m3
Nitrogen Dioxide: 19.03 μg/m3
Sulphur Dioxide: 9.15 μg/m3
Ozone: 97.96 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:04 PM
Sunset: 8:35 PM
Daylight: 15 hrs 1 mins
Moonrise: 2:08 AM
Moon Transit: 9:16 AM
Moonset: 4:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

8:46 AM - 11:16 AM
12:00 AM - 12:00 AM

Minor Periods

4:08 PM - 5:38 PM
1:38 AM - 3:08 AM

Action Rating: 2 out of 5

Sunday, June 22, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 83.3°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 12.1 mph
UV Index: 2.6

Air Quality

AQI: 2 - Moderate
PM2.5: 21.82 μg/m3
PM10: 22.69 μg/m3
Carbon Monoxide: 400.93 μg/m3
Nitrogen Dioxide: 15.16 μg/m3
Sulphur Dioxide: 10.12 μg/m3
Ozone: 125.4 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:04 PM
Sunset: 8:35 PM
Daylight: 15 hrs 1 mins
Moonrise: 2:41 AM
Moon Transit: 10:12 AM
Moonset: 5:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:42 AM - 12:12 AM

Minor Periods

5:28 PM - 6:58 PM
2:11 AM - 3:41 AM

Action Rating: 2 out of 5

Monday, June 23, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 89.3°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 2.7

Air Quality

AQI: 2 - Moderate
PM2.5: 26.88 μg/m3
PM10: 30.17 μg/m3
Carbon Monoxide: 390.5 μg/m3
Nitrogen Dioxide: 16.55 μg/m3
Sulphur Dioxide: 14.22 μg/m3
Ozone: 105.36 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:05 PM
Sunset: 8:36 PM
Daylight: 15 hrs 1 mins
Moonrise: 3:21 AM
Moon Transit: 11:14 AM
Moonset: 7:16 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.0%

Best Times for Fishing or Hunting

Major Periods

12:12 AM - 2:42 AM
10:44 AM - 1:14 PM

Minor Periods

6:46 PM - 8:16 PM
2:51 AM - 4:21 AM

Action Rating: 3 out of 5

Tuesday, June 24, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 86.6°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 11.2 mph
UV Index: 2.7

Air Quality

AQI: 2 - Moderate
PM2.5: 31.59 μg/m3
PM10: 35.16 μg/m3
Carbon Monoxide: 350.09 μg/m3
Nitrogen Dioxide: 30.45 μg/m3
Sulphur Dioxide: 11.76 μg/m3
Ozone: 90.04 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:05 PM
Sunset: 8:36 PM
Daylight: 15 hrs 1 mins
Moonrise: 4:13 AM
Moon Transit: 12:18 AM
Moonset: 8:27 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:16 AM - 3:46 AM
11:48 AM - 2:18 PM

Minor Periods

7:57 PM - 9:27 PM
3:43 AM - 5:13 AM

Action Rating: 4 out of 5

Wednesday, June 25, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 83.6°F
Average Humidity: 66%
Chance of Rain: 83%
Wind: 7.8 mph
UV Index: 0.2

Air Quality

AQI: 2 - Moderate
PM2.5: 26.34 μg/m3
PM10: 28.55 μg/m3
Carbon Monoxide: 479.29 μg/m3
Nitrogen Dioxide: 39.28 μg/m3
Sulphur Dioxide: 10.02 μg/m3
Ozone: 56.77 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:05 PM
Sunset: 8:36 PM
Daylight: 15 hrs 1 mins
Moonrise: 5:16 AM
Moon Transit: 1:23 PM
Moonset: 9:26 PM
Moon Phase: New
Moon Illumination: 1.6%

Best Times for Fishing or Hunting

Major Periods

2:21 AM - 4:51 AM
12:53 AM - 3:23 PM

Minor Periods

8:56 PM - 10:26 PM
4:46 AM - 6:16 AM

Action Rating: 4 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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