Catskill and Adirondack trout enter summer mode as trico season opens

What's biting

What's next

**The next 2-3 days: full moon and midsummer heat**

With a full moon peaking June 28, the overnight and early-morning window is the one to chase. Trout on heavily fished Catskills pools grow increasingly nocturnal by this point in summer, and the full moon amplifies that tendency. Plan to be on the water at first gray light and off by mid-morning, then return for a last-light evening session.

Trico spinner falls on larger Catskills pools typically begin in earnest during the last week of June and run through July. The hatch fires in the morning over flat water and demands precise, drag-free presentations. Gink and Gasoline's trico hatch and spinner fall coverage is worth reviewing before heading out: matching a spinner fall when massed spinners collect in the film is one of the more technically demanding scenarios in freshwater fly fishing. Trout Unlimited's recent piece on the three modes of dry-fly fishing is directly applicable here. Reading whether fish are actively rising, sipping the film, or feeding subsurface will dictate your pattern choice and presentation angle far more than fly selection alone.

**Adirondack streams**

Brook trout in Adirondack tributaries will seek out cold seeps and shaded pocket water as afternoon air temperatures push higher. Morning and evening sessions near spring-fed confluences will be most productive. MidCurrent's current tying column, which highlights attractor and film patterns suited to hatching conditions, provides a solid starting checklist. Small caddis and attractor dries in the evening, soft-hackles on the swing at last light.

**Weekend planning**

Check the local forecast carefully for afternoon thunderstorm probability, a standard feature of late June at Adirondack and Catskill elevations. A passing cell can push flows up quickly and temporarily drop water temperatures, sometimes triggering a brief feeding burst as skies clear. Without current USGS gauge readings in hand, we cannot confirm whether flows are in ideal wading range this weekend. Check StreamStats before loading up the truck.

Context

Late June on Adirondack and Catskill trout water sits at a classic transition point in the season. The Sulphur and Green Drake hatches that define the early-season peak on Catskills freestone streams are mostly spent by the third week of June. What takes over, and what defines the next six weeks of dry-fly fishing, is the trico. Classic Catskills pools typically carry trico spinner falls that are underway by late June, running strongest in the first two hours after sunrise over flat, slow-moving water. Matching the hatch goes micro: size 20-24 CDC or film patterns are the standard call.

The Adirondacks follow a slightly different rhythm. Native brook trout streams in the High Peaks region run cooler and less predictable in their hatch timing, but mid-to-late June typically brings consistent evening caddis and attractor fishing. Thermal pressure is the main variable: when late June pushes daytime air temperatures into the upper 80s, stream temps at lower-elevation reaches can temporarily stress trout and compress the fishable window sharply toward dawn and dusk. Anglers targeting Adirondack wild brookies should prioritize elevation and spring-fed tributaries over mainstem reaches during heat spikes.

No direct comparative signal from regional sources was available for this report. MidCurrent's current tying coverage reflects general hatch-season patterns rather than region-specific reporting for this area. The absence of USGS gauge readings this cycle makes it difficult to assess whether flows are running high, low, or on par with historical June averages. Local knowledge and a current gauge check remain the most reliable inputs for Adirondack and Catskill trip planning at this point in summer.