Fly Fishing Stream Conditions Report: Housatonic River

Report Summary for Jun 2026

This year: At the Falls Village stretch, the river is running at a very fishable, moderate summer flow of 288 CFS with clear water. Water temperatures are sitting right at 70°F, which is at the upper edge of the trout comfort zone. It is critical to monitor water temperatures closely, especially as afternoon air temperatures push into the upper seventies and eighties. Further downstream at Stevenson, flows have been averaging around 811 CFS. Concentrate your efforts during the cooler parts of the day when fish are most active. A variety of active insects are on the water, making technical presentations key to fooling selective trout. Be prepared with realistic imitations to match the hatches. Bring along a Tan Caddis, Olive Caddis, Sulphur Dun, and a Blue Wing Olive to cover your bases on the surface.

Best time of day: Evening

Prior years: No prior years report for this period.

This report combines publicly available data when available with our own analysis to give a comprehensive view of the stream conditions.

Monthly water conditions

HOUSATONIC RIVER AT STEVENSON, CT

This month

811 CFS

Last month

1774 CFS

Hazards

Water temperature is sitting right at 70°F, which is at the upper edge of the trout comfort zone; monitor it closely as afternoon air temps push toward 79–86°F this weekend.

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