Water Temperature of East Branch Brandywine Creek in Downingtown, PA

Current Water Temperature

48.2°F 9.0°C
Frigid Dangerously Cold
48.2°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Severe hypothermia and cold water shock risk. Unprotected swimming causes rapid loss of dexterity in under 5 minutes.

Measurement Time: Saturday, November 14, 2026, 6:15 AM EST

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

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 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

44.2°F
Overcast
Conditions: Overcast
Humidity: 55%
Feels Like: 34.7°F
Wind: NW 12.7 mph
Wind Gusts: 22.4 mph
Pressure: 29.84 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 21.4 mi
UV Index: 2.9

Five-Day Weather Forecast

Light Drizzle
Sat
H: 45°F
L: 36°F
Light Drizzle
Sun
H: 46°F
L: 34°F
Mainly Sunny
Mon
H: 50°F
L: 33°F
Sunny
Tue
H: 54°F
L: 34°F
Sunny
Wed
H: 58°F
L: 39°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
3.3 μg/m³
Good
PM10
3.3 μg/m³
Good
Ozone (O3)
58 μg/m³
Photochemical
NO2
3.4 μg/m³
Nitrogen Dioxide
SO2
1.9 μg/m³
Sulfur Dioxide
CO
150 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 0m daylight
Sunrise 6:47 AM
Solar Noon 11:47 AM
Sunset 4:47 PM
Moon
Waxing Crescent • 21%
Moonrise 11:33 AM
Transit 4:12 PM
Moonset 8:56 PM

Best Times for Fishing or Hunting

Major Periods

3:18 AM - 5:48 AM
3:42 PM - 6:12 PM

Minor Periods

11:03 AM - 12:33 PM
8:26 PM - 9:56 PM
Action Rating:
Fair Action 2/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 40.1°F
Average Humidity: 68%
Chance of Rain: 2%
Wind: 13.7 mph
UV Index: 2.9

Air Quality

EPA Index 1 • Good
PM2.5
3.2 μg/m³
Good
PM10
3.2 μg/m³
Good
Ozone (O3)
50.1 μg/m³
Photochemical
NO2
6.2 μg/m³
Nitrogen Dioxide
SO2
1.5 μg/m³
Sulfur Dioxide
CO
154.4 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 0m daylight
Sunrise 6:47 AM
Solar Noon 11:47 AM
Sunset 4:47 PM
Moon
Waxing Crescent • 21%
Moonrise 11:33 AM
Transit 4:12 PM
Moonset 8:56 PM

Best Times for Fishing or Hunting

Major Periods

3:18 AM - 5:48 AM
3:42 PM - 6:12 PM

Minor Periods

11:03 AM - 12:33 PM
8:26 PM - 9:56 PM
Action Rating:
Fair Action 2/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 39.4°F
Average Humidity: 77%
Chance of Rain: 2%
Wind: 12.6 mph
UV Index: 3.1

Air Quality

EPA Index 1 • Good
PM2.5
1.8 μg/m³
Good
PM10
1.9 μg/m³
Good
Ozone (O3)
54.5 μg/m³
Photochemical
NO2
5.7 μg/m³
Nitrogen Dioxide
SO2
1.1 μg/m³
Sulfur Dioxide
CO
143.5 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 58m daylight
Sunrise 6:48 AM
Solar Noon 11:47 AM
Sunset 4:47 PM
Moon
Waxing Crescent • 31%
Moonrise 12:06 PM
Transit 4:58 PM
Moonset 9:58 PM

Best Times for Fishing or Hunting

Major Periods

4:05 AM - 6:35 AM
4:28 PM - 6:58 PM

Minor Periods

11:36 AM - 1:06 PM
9:28 PM - 10:58 PM
Action Rating:
Very Good 4/5
Monday, November 16, 2026

Weather Forecast

Conditions: Mainly Sunny
Average Temperature: 39.7°F
Average Humidity: 75%
Chance of Rain: 0%
Wind: 13 mph
UV Index: 3

Air Quality

EPA Index 1 • Good
PM2.5
4.8 μg/m³
Good
PM10
4.9 μg/m³
Good
Ozone (O3)
47 μg/m³
Photochemical
NO2
11.6 μg/m³
Nitrogen Dioxide
SO2
1.9 μg/m³
Sulfur Dioxide
CO
169.3 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 57m daylight
Sunrise 6:49 AM
Solar Noon 11:47 AM
Sunset 4:46 PM
Moon
First Quarter • 42%
Moonrise 12:34 PM
Transit 5:43 PM
Moonset 11:01 PM

Best Times for Fishing or Hunting

Major Periods

4:51 AM - 7:21 AM
5:13 PM - 7:43 PM

Minor Periods

12:04 PM - 1:34 PM
10:31 PM - 12:01 AM
Action Rating:
Good Action 3/5
Tuesday, November 17, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 42.4°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 7.6 mph
UV Index: 3.1

Air Quality

EPA Index 2 • Moderate
PM2.5
11 μg/m³
Good
PM10
11.3 μg/m³
Good
Ozone (O3)
37 μg/m³
Photochemical
NO2
19.8 μg/m³
Nitrogen Dioxide
SO2
2.7 μg/m³
Sulfur Dioxide
CO
213.2 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 55m daylight
Sunrise 6:50 AM
Solar Noon 11:47 AM
Sunset 4:45 PM
Moon
First Quarter • 54%
Moonrise 12:58 PM
Transit 6:26 PM
Moonset 1:23 AM

Best Times for Fishing or Hunting

Major Periods

5:34 AM - 8:04 AM
5:56 PM - 8:26 PM

Minor Periods

12:53 AM - 2:23 AM
12:28 PM - 1:58 PM
Action Rating:
Fair Action 2/5
Wednesday, November 18, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 46.6°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 6.8 mph
UV Index: 3.1

Air Quality

EPA Index 2 • Moderate
PM2.5
14.3 μg/m³
Moderate
PM10
14.4 μg/m³
Good
Ozone (O3)
36.1 μg/m³
Photochemical
NO2
17.2 μg/m³
Nitrogen Dioxide
SO2
2.5 μg/m³
Sulfur Dioxide
CO
225.6 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 53m daylight
Sunrise 6:51 AM
Solar Noon 11:47 AM
Sunset 4:44 PM
Moon
First Quarter • 65%
Moonrise 1:20 PM
Transit 7:08 PM
Moonset 12:04 AM

Best Times for Fishing or Hunting

Major Periods

6:17 AM - 8:47 AM
6:38 PM - 9:08 PM

Minor Periods

12:50 PM - 2:20 PM
11:34 PM - 1:04 AM
Action Rating:
Fair Action 2/5
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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