Water Temperature of the Ponaganset River in South Foster, RI

Current Water Temperature

74.8°F

Measurement Time: Wednesday, July 22, 2026, 2:20 PM EDT

Temperature Locations

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Local Points of Interest

Scituate Reservoir Protection Area; Foster, RI

Ponaganset River

Station Name: PONAGANSET RIVER AT SOUTH FOSTER, RI
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 381 feet

Nearest Address:
51–98 Rams Tail Rd
South Foster, RI 02825
Providence County

GPS Coordinates: 41.8187102, -71.7050677

Nearby Water Temperatures

Dolly Cole Brook, Foster, RI (0.3 mi)
Windsor Brook, Foster, RI (1.5 mi)
Hemlock Brook, Foster, RI (2 mi)
Swamp Brook, Scituate, RI (2.4 mi)
Bear Tree Brook, Clayville, RI (2.9 mi)
Westconnaug Stream, Clayville, RI (3 mi)
Cork Brook, Scituate, RI (3 mi)
Spruce Brook, North Scituate, RI (4.8 mi)
Rush Brook, North Scituate, RI (5 mi)
Unnamed Tributary, North Scituate, RI (5 mi)
Wilbur Hollow Brook, Clayville, RI (5.2 mi)
Huntinghouse Brook, Scituate, RI (5.3 mi)
Peeptoad Brook, Scituate, RI (5.6 mi)
Quonapaug Brook, North Scituate, RI (6.4 mi)
Moswansicut Stream, North Scituate, RI (6.4 mi)

Weather for South Foster, Rhode Island

Current Weather

81°F
Partly Cloudy
Partly Cloudy
86.8°F
79.3°F
69%
W 6.9 mph
12.5 mph
75.9°F
68.6°F
0 in
25%
9 mi
1008 mbar
0.2

Five Day Weather Forecast

Sunny
Wed
H: 87°F
L: 68°F
Sunny
Thu
H: 82°F
L: 56°F
Sunny
Fri
H: 86°F
L: 54°F
Sunny
Sat
H: 85°F
L: 56°F
Sunny
Sun
H: 86°F
L: 55°F

Air Quality

AQI: 1 - Good
PM2.5: 3.7 μg/m3
PM10: 3.7 μg/m3
Carbon Monoxide: 167 μg/m3
Nitrogen Dioxide: 2.7 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 80 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:53 AM
Sunset: 8:15 PM
Daylight: 14 hrs 44 mins
Moonrise: 2:49 PM
Moon Transit: 7:36 PM
Moonset: 12:50 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

9:14 AM - 11:44 AM
7:06 PM - 9:36 PM

Minor Periods

2:19 PM - 3:49 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

High Surf Advisory issued July 22 at 3:33AM EDT until July 23 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Wed July 22, 2026, 3:33 AM
Expires: Wed July 22, 2026, 4:45 PM

* WHAT...Large breaking waves of 4 to 9 feet expected in the surf zone. * WHERE...Washington, Southern Bristol MA, Southern Plymouth MA, Barnstable MA, Dukes MA, Nantucket MA, and Newport RI Counties. * WHEN...Until 8 PM EDT Thursday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion.

Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
Wednesday, July 22, 2026

Weather Forecast

Sunny
86.7°F
67.5°F
75.5°F
82%
0.22 in
75%
0%
14.1 mph
7.6


Air Quality

AQI: 1 - Good
PM2.5: 3.53 μg/m3
PM10: 3.6 μg/m3
Carbon Monoxide: 146.46 μg/m3
Nitrogen Dioxide: 3.17 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 84.08 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:53 AM
Sunset: 8:15 PM
Daylight: 14 hrs 44 mins
Moonrise: 2:49 PM
Moon Transit: 7:36 PM
Moonset: 12:50 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

9:14 AM - 11:44 AM
7:06 PM - 9:36 PM

Minor Periods

2:19 PM - 3:49 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 23, 2026

Weather Forecast

Sunny
82°F
55.6°F
68.5°F
57%
0 in
3%
0%
7.4 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 3.77 μg/m3
PM10: 3.92 μg/m3
Carbon Monoxide: 124.42 μg/m3
Nitrogen Dioxide: 4.5 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 71.17 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 12:53 AM
Sunset: 8:14 PM
Daylight: 14 hrs 42 mins
Moonrise: 3:53 PM
Moon Transit: 8:24 PM
Moonset: 12:18 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

10:01 AM - 12:31 AM
7:54 PM - 10:24 PM

Minor Periods

3:23 PM - 4:53 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, July 24, 2026

Weather Forecast

Sunny
85.5°F
53.7°F
68.1°F
61%
0 in
4%
0%
8.5 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 7.84 μg/m3
PM10: 8.13 μg/m3
Carbon Monoxide: 137.71 μg/m3
Nitrogen Dioxide: 7.8 μg/m3
Sulphur Dioxide: 0.38 μg/m3
Ozone: 79.67 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 12:53 AM
Sunset: 8:13 PM
Daylight: 14 hrs 40 mins
Moonrise: 4:55 PM
Moon Transit: 9:14 PM
Moonset: 12:51 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

10:50 AM - 1:20 PM
8:44 PM - 11:14 PM

Minor Periods

4:25 PM - 5:55 PM
12:21 AM - 1:51 AM

Action Rating: 2 out of 5

Saturday, July 25, 2026

Weather Forecast

Sunny
84.6°F
56.1°F
68.4°F
58%
0 in
3%
0%
6.9 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 8.26 μg/m3
PM10: 9.06 μg/m3
Carbon Monoxide: 139.83 μg/m3
Nitrogen Dioxide: 6.64 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 87.63 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 12:53 AM
Sunset: 8:12 PM
Daylight: 14 hrs 39 mins
Moonrise: 5:51 PM
Moon Transit: 10:05 PM
Moonset: 1:31 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

11:41 AM - 2:11 PM
12:00 AM - 12:00 AM

Minor Periods

5:21 PM - 6:51 PM
1:01 AM - 2:31 AM

Action Rating: 2 out of 5

Sunday, July 26, 2026

Weather Forecast

Sunny
85.9°F
55.3°F
68.7°F
61%
0 in
4%
0%
8.5 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 12.59 μg/m3
PM10: 14.4 μg/m3
Carbon Monoxide: 212.11 μg/m3
Nitrogen Dioxide: 18.06 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 49 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 12:53 AM
Sunset: 8:11 PM
Daylight: 14 hrs 37 mins
Moonrise: 6:41 PM
Moon Transit: 10:57 PM
Moonset: 2:20 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

12:32 AM - 3:02 PM
12:00 AM - 12:00 AM

Minor Periods

6:11 PM - 7:41 PM
1:50 AM - 3:20 AM

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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