Water Temperature of the Ponaganset River in South Foster, RI

Current Water Temperature

71.1°F

Measurement Time: Monday, July 27, 2026, 8:20 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

65.7°F
Clear
Clear
56.7°F
65.7°F
93%
SSW 3.4 mph
7 mph
65.7°F
63.7°F
0 in
14%
5 mi
1009 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 82°F
L: 64°F
Light rain shower
Wed
H: 81°F
L: 63°F
Light rain shower
Thu
H: 71°F
L: 63°F
Fog
Fri
H: 68°F
L: 63°F
Patchy rain nearby
Sat
H: 82°F
L: 59°F

Air Quality

PM2.5: 11.8 μg/m3
PM10: 14.4 μg/m3
Carbon Monoxide: 132 μg/m3
Nitrogen Dioxide: 4.9 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 94 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 12:53 AM
Sunset: 8:09 PM
Daylight: 14 hrs 33 mins
Moonrise: 7:57 PM
Moon Transit: 12:00 AM
Moonset: 4:17 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:13 PM - 4:43 PM

Minor Periods

7:27 PM - 8:57 PM
3:47 AM - 5:17 AM

Action Rating: 4 out of 5

Small Craft Advisory issued July 27 at 1:23PM EDT until July 29 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Mon July 27, 2026, 1:23 PM
Expires: Tue July 28, 2026, 6:00 AM

* WHAT...Southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 feet expected. * WHERE...Narragansett Bay. * WHEN...From 8 PM Tuesday to 8 PM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Tuesday, July 28, 2026

Weather Forecast

Patchy rain nearby
81.8°F
64.2°F
70.3°F
87%
0.14 in
78%
0%
13.6 mph
7.5


Air Quality

AQI: 1 - Good
PM2.5: 9.94 μg/m3
PM10: 12.13 μg/m3
Carbon Monoxide: 118.5 μg/m3
Nitrogen Dioxide: 2.73 μg/m3
Sulphur Dioxide: 0.77 μg/m3
Ozone: 98.17 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 12:53 AM
Sunset: 8:09 PM
Daylight: 14 hrs 33 mins
Moonrise: 7:57 PM
Moon Transit: 12:00 AM
Moonset: 4:17 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:13 PM - 4:43 PM

Minor Periods

7:27 PM - 8:57 PM
3:47 AM - 5:17 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Light rain shower
81°F
62.7°F
70.9°F
86%
0.42 in
88%
0%
10.5 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 3.75 μg/m3
PM10: 4.05 μg/m3
Carbon Monoxide: 122.58 μg/m3
Nitrogen Dioxide: 2.4 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 97.08 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 12:53 AM
Sunset: 8:08 PM
Daylight: 14 hrs 31 mins
Moonrise: 8:26 PM
Moon Transit: 12:36 AM
Moonset: 5:22 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:06 AM - 2:36 AM
3:01 PM - 5:31 PM

Minor Periods

7:56 PM - 9:26 PM
4:52 AM - 6:22 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Light rain shower
71.1°F
62.7°F
66.1°F
97%
0.77 in
93%
0%
9.4 mph
4.9


Air Quality

AQI: 1 - Good
PM2.5: 1.61 μg/m3
PM10: 1.62 μg/m3
Carbon Monoxide: 136.58 μg/m3
Nitrogen Dioxide: 3.56 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 65.08 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 12:53 AM
Sunset: 8:07 PM
Daylight: 14 hrs 29 mins
Moonrise: 8:51 PM
Moon Transit: 1:23 AM
Moonset: 6:28 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

12:53 AM - 3:23 AM
3:46 PM - 6:16 PM

Minor Periods

8:21 PM - 9:51 PM
5:58 AM - 7:28 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Fog
68.3°F
62.7°F
64.9°F
93%
0.01 in
53%
0%
7.6 mph
2.1


Air Quality

AQI: 1 - Good
PM2.5: 0.71 μg/m3
PM10: 0.72 μg/m3
Carbon Monoxide: 190.78 μg/m3
Nitrogen Dioxide: 3.5 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 51.78 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 12:53 AM
Sunset: 8:06 PM
Daylight: 14 hrs 26 mins
Moonrise: 9:12 PM
Moon Transit: 2:07 AM
Moonset: 7:34 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

1:37 AM - 4:07 AM
4:30 PM - 7:00 PM

Minor Periods

8:42 PM - 10:12 PM
7:04 AM - 8:34 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Patchy rain nearby
82.1°F
58.9°F
68.7°F
82%
0 in
28%
0%
6.3 mph
6


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: 5:41 AM
Sun Transit: 12:53 AM
Sunset: 8:05 PM
Daylight: 14 hrs 24 mins
Moonrise: 9:33 PM
Moon Transit: 2:51 AM
Moonset: 8:40 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:21 AM - 4:51 AM
5:13 PM - 7:43 PM

Minor Periods

9:03 PM - 10:33 PM
8:10 AM - 9:40 AM

Action Rating: 3 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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