Water Temperature of East Branch Brandywine Creek in Downingtown, PA

Current Water Temperature

61.5°F

Measurement Time: Wednesday, October 8, 2025, 10:45 PM 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

50.2°F
Clear
Conditions: Clear
Humidity: 71%
Feels Like: 47°F
Wind: NNW 7.8 mph
Wind Gusts: 14.2 mph
Pressure: 30.33 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Thu
H: 64°F
L: 48°F
Partly Cloudy
Fri
H: 59°F
L: 41°F
Overcast
Sat
H: 62°F
L: 53°F
Heavy rain
Sun
H: 60°F
L: 51°F
Moderate rain
Mon
H: 53°F
L: 51°F

Air Quality

PM2.5: 4.75 μg/m3
PM10: 4.75 μg/m3
Carbon Monoxide: 156.85 μg/m3
Nitrogen Dioxide: 10.05 μg/m3
Sulphur Dioxide: 3.65 μg/m3
Ozone: 46 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:49 AM
Sunset: 6:32 PM
Daylight: 11 hrs 25 mins
Moonrise: 7:52 PM
Moon Transit: 2:38 AM
Moonset: 10:17 AM
Moon Phase: Waning Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

2:08 AM - 4:38 AM
4:37 PM - 7:07 PM

Minor Periods

7:22 PM - 8:52 PM
9:47 AM - 11:17 AM

Action Rating: 2 out of 5

Frost Advisory issued October 9 at 1:56AM EDT until October 10 at 9:00AM EDT by NWS Mount Holly NJ

Effective: Thu October 9, 2025, 1:56 AM
Expires: Thu October 9, 2025, 5:00 PM

* WHAT...Temperatures in the low to mid 30s will result in frost formation. * WHERE...Portions of central, northern, and northwest New Jersey and east central and southeast Pennsylvania. * WHEN...From 2 AM to 9 AM EDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.


Frost Advisory issued October 9 at 1:41AM EDT until October 10 at 9:00AM EDT by NWS State College PA

Effective: Thu October 9, 2025, 1:41 AM
Expires: Thu October 9, 2025, 3:30 PM

* WHAT...Temperatures as in the low-to-mid 30s will result in frost formation. * WHERE...Dauphin, Lancaster, Lebanon, and York Counties. * WHEN...From 11 PM this evening to 9 AM EDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Near-ground freezing temperatures could kill uncovered sensitive outdoor vegetation. Valley locations and sheltered areas will experience the coldest temperatures. Take protective measures now as freezing temperatures could damage or kill tender plants and vegetation.


Frost Advisory issued October 9 at 1:06AM EDT until October 10 at 9:00AM EDT by NWS Baltimore MD/Washington DC

Effective: Thu October 9, 2025, 1:06 AM
Expires: Thu October 9, 2025, 9:15 AM

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of north central and northern Maryland, northern and northwest Virginia, and the panhandle of West Virginia. * WHEN...From 2 AM to 9 AM EDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.


Freeze Watch issued October 8 at 2:51PM EDT until October 10 at 9:00AM EDT by NWS Mount Holly NJ

Effective: Wed October 8, 2025, 2:51 PM
Expires: Thu October 9, 2025, 4:00 AM

* WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...In New Jersey, Sussex and Warren. In Pennsylvania, Carbon, Monroe, Lehigh and Northampton. * WHEN...From Thursday evening through Friday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

A Freeze Watch means sub-freezing temperatures are possible. These conditions could kill crops and other sensitive vegetation.


Frost Advisory issued October 9 at 1:56AM EDT until October 10 at 9:00AM EDT by NWS Mount Holly NJ

Effective: Thu October 9, 2025, 1:56 AM
Expires: Thu October 9, 2025, 5:00 PM

* WHAT...Temperatures in the low to mid 30s will result in frost formation. * WHERE...Lehigh County. * WHEN...From 2 AM to 9 AM EDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.
Thursday, October 9, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 54.5°F
Average Humidity: 59%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 4.07 μg/m3
PM10: 4.08 μg/m3
Carbon Monoxide: 168.25 μg/m3
Nitrogen Dioxide: 8.25 μg/m3
Sulphur Dioxide: 2.84 μg/m3
Ozone: 62.64 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:49 AM
Sunset: 6:32 PM
Daylight: 11 hrs 25 mins
Moonrise: 7:52 PM
Moon Transit: 2:38 AM
Moonset: 10:17 AM
Moon Phase: Waning Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

2:08 AM - 4:38 AM
4:37 PM - 7:07 PM

Minor Periods

7:22 PM - 8:52 PM
9:47 AM - 11:17 AM

Action Rating: 2 out of 5

Friday, October 10, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 51.4°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 8.9 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 11.19 μg/m3
PM10: 12.01 μg/m3
Carbon Monoxide: 245.61 μg/m3
Nitrogen Dioxide: 25.48 μg/m3
Sulphur Dioxide: 4.84 μg/m3
Ozone: 43.6 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:49 AM
Sunset: 6:31 PM
Daylight: 11 hrs 22 mins
Moonrise: 8:40 PM
Moon Transit: 3:38 AM
Moonset: 11:36 AM
Moon Phase: Waning Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

3:08 AM - 5:38 AM
5:40 PM - 8:10 PM

Minor Periods

8:10 PM - 9:40 PM
11:06 AM - 12:36 AM

Action Rating: 2 out of 5

Saturday, October 11, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 58°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 11.2 mph
UV Index: 0.6

Air Quality

AQI: 1 - Good
PM2.5: 9.83 μg/m3
PM10: 11.85 μg/m3
Carbon Monoxide: 264.65 μg/m3
Nitrogen Dioxide: 17.88 μg/m3
Sulphur Dioxide: 4.57 μg/m3
Ozone: 53.52 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 12:49 AM
Sunset: 6:29 PM
Daylight: 11 hrs 20 mins
Moonrise: 9:38 PM
Moon Transit: 4:42 AM
Moonset: 12:50 AM
Moon Phase: Waning Gibbous
Moon Illumination: 72.9%

Best Times for Fishing or Hunting

Major Periods

4:12 AM - 6:42 AM
6:44 PM - 9:14 PM

Minor Periods

9:08 PM - 10:38 PM
12:20 AM - 1:50 PM

Action Rating: 4 out of 5

Sunday, October 12, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 57.9°F
Average Humidity: 90%
Chance of Rain: 70%
Wind: 18.8 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 6.61 μg/m3
PM10: 8.13 μg/m3
Carbon Monoxide: 211.31 μg/m3
Nitrogen Dioxide: 14.85 μg/m3
Sulphur Dioxide: 5.06 μg/m3
Ozone: 58.38 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:49 AM
Sunset: 6:27 PM
Daylight: 11 hrs 17 mins
Moonrise: 10:45 PM
Moon Transit: 5:46 AM
Moonset: 1:52 PM
Moon Phase: Waning Gibbous
Moon Illumination: 62.3%

Best Times for Fishing or Hunting

Major Periods

5:16 AM - 7:46 AM
7:46 PM - 10:16 PM

Minor Periods

10:15 PM - 11:45 PM
1:22 PM - 2:52 PM

Action Rating: 2 out of 5

Monday, October 13, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 51.7°F
Average Humidity: 91%
Chance of Rain: 83%
Wind: 17.7 mph
UV Index: 0

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:48 AM
Sunset: 6:26 PM
Daylight: 11 hrs 15 mins
Moonrise: 11:56 PM
Moon Transit: 6:47 AM
Moonset: 2:42 PM
Moon Phase: Last Quarter
Moon Illumination: 51.1%

Best Times for Fishing or Hunting

Major Periods

6:17 AM - 8:47 AM
8:45 PM - 11:15 PM

Minor Periods

12:00 AM - 12:00 AM
2:12 PM - 3:42 PM

Action Rating: 2 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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