Water Temperature of the Ponaganset River in South Foster, RI
Current Water Temperature
Measurement Time: Tuesday, May 19, 2026, 9:20 AM EDT
Temperature Locations
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Local Points of Interest
Scituate Reservoir Protection Area; Foster, RIStation 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

Five Day Weather Forecast

Wed
H: 91°F
L: 58°F

Thu
H: 68°F
L: 46°F

Fri
H: 71°F
L: 41°F

Sat
H: 66°F
L: 49°F

Sun
H: 65°F
L: 46°F
Air Quality
Nitrogen Dioxide: 7.85 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 83 μg/m3
Astronomical
Sun Transit: 12:43 AM
Sunset: 8:05 PM
Daylight: 14 hrs 43 mins
Moon Transit: 4:48 PM
Moonset: 12:51 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%
Best Times for Fishing or Hunting
Major Periods
6:21 AM - 8:51 AM4:18 PM - 6:48 PM
Minor Periods
8:22 AM - 9:52 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Air Quality Alert issued May 18 at 11:21PM EDT by NWS Boston/Norton MA
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Mon May 18, 2026, 11:21 PM
Expires: Tue May 19, 2026, 11:15 PM
The Rhode Island Department of Environmental Management has issued an Air Quality Alert Day for Ground Level Ozone, from 11 AM to 11 PM EDT Tuesday. An Air Quality Alert day means that Ground Level Ozone concentrations within the region may approach or exceed unhealthy standards. For additional information, please visit the Rhode Island Department of Environmental Management website at: https://dem.ri.gov/environmental-protection-bureau/air- resources/air-quality-forecast
Heat Advisory issued May 19 at 2:02PM EDT until May 20 at 8:00PM EDT by NWS Boston/Norton MA
Effective: Tue May 19, 2026, 2:02 PM
Expires: Wed May 20, 2026, 6:00 AM
* WHAT...Heat index values up to 96. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern Rhode Island. * WHEN...Until 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued May 20 at 1:29AM EDT until May 20 at 8:00PM EDT by NWS Boston/Norton MA
Effective: Wed May 20, 2026, 1:29 AM
Expires: Wed May 20, 2026, 8:00 PM
* WHAT...Heat index values up to 96. * WHERE...Much of Southern New England, except for the eastern slopes of the Berkshires, the Rhode Island and Massachusetts South Coast, Cape Cod and the Islands. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and moderate humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Air Quality Alert issued May 18 at 11:21PM EDT by NWS Boston/Norton MA
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Mon May 18, 2026, 11:21 PM
Expires: Tue May 19, 2026, 11:15 PM
The Connecticut Department of Environmental Protection has issued an Air Quality Alert Day for Ground Level Ozone, from 11 AM to 11 PM EDT Tuesday. An Air Quality Alert day means that Ground Level Ozone concentrations within the region may approach or exceed unhealthy standards. For additional information, please visit the Connecticut Department of Energy and Environmental Protection website at: https://portal.ct.gov/deep
Air Quality Alert issued May 18 at 11:21PM EDT by NWS Boston/Norton MA
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Mon May 18, 2026, 11:21 PM
Expires: Tue May 19, 2026, 11:15 PM
The Massachusetts Department of Environmental Protection has issued an Air Quality Alert for Ground Level Ozone, from 11 AM to 11 PM EDT Tuesday. An Air Quality Alert day means that Ground Level Ozone concentrations within the region may approach or exceed levels that are Unhealthy for Sensitive Groups. Air is unhealthy for sensitive children and adults, such as those with asthma, lung or heart disease, and older adults. Sensitive children and adults should limit prolonged outdoor activity. For additional information, please visit the Massachusetts Department of Environmental Protection website at: https://mass.gov/dep/massair/forecast
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.08 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 93.72 μg/m3
Astronomical
Sun Transit: 12:43 AM
Sunset: 8:05 PM
Daylight: 14 hrs 43 mins
Moon Transit: 4:48 PM
Moonset: 12:51 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%
Best Times for Fishing or Hunting
Major Periods
6:21 AM - 8:51 AM4:18 PM - 6:48 PM
Minor Periods
8:22 AM - 9:52 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.95 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 77.88 μg/m3
Astronomical
Sun Transit: 12:43 AM
Sunset: 8:06 PM
Daylight: 14 hrs 45 mins
Moon Transit: 5:45 PM
Moonset: 12:34 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%
Best Times for Fishing or Hunting
Major Periods
7:19 AM - 9:49 AM5:15 PM - 7:45 PM
Minor Periods
9:40 AM - 11:10 AM12:04 AM - 1:34 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.19 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 80.96 μg/m3
Astronomical
Sun Transit: 12:43 AM
Sunset: 8:07 PM
Daylight: 14 hrs 47 mins
Moon Transit: 6:36 PM
Moonset: 1:07 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%
Best Times for Fishing or Hunting
Major Periods
8:12 AM - 10:42 AM6:06 PM - 8:36 PM
Minor Periods
10:55 AM - 12:25 AM12:37 AM - 2:07 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.67 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 62.69 μg/m3
Astronomical
Sun Transit: 12:43 AM
Sunset: 8:08 PM
Daylight: 14 hrs 48 mins
Moon Transit: 7:22 PM
Moonset: 1:33 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%
Best Times for Fishing or Hunting
Major Periods
9:00 AM - 11:30 AM6:52 PM - 9:22 PM
Minor Periods
12:07 AM - 1:37 PM1:03 AM - 2:33 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:43 AM
Sunset: 8:09 PM
Daylight: 14 hrs 50 mins
Moon Transit: 8:05 PM
Moonset: 1:56 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%
Best Times for Fishing or Hunting
Major Periods
9:45 AM - 12:15 AM7:35 PM - 10:05 PM
Minor Periods
1:14 PM - 2:44 PM1:26 AM - 2:56 AM
Action Rating: 2 out of 5
