Northeast
Monocacy River
Live Conditions
Monocacy River — At Jug Bridge near Frederick
7-Day Flow
↓ Falling
24-Hr Pressure
29.53 inHg · → High/stable
Local Weather
Tough conditions — fish deep
Today
☁️Overcast
84° / 56°
Tomorrow
🌧️Rain
70° / 56°
0.32"
Thu
☁️Overcast
63° / 48°
Fri
☁️Overcast
64° / 43°
Rain in forecast — expect rising, off-color water in 12–24 hrs.
Weather by Open-Meteo · No API key · Updated every 30 min
What should I fish today?
One call. Specific to today's exact conditions on the Monocacy River.
9
What should I pack?
Rod, flies, tippet, and safety gear specific to today's Monocacy River conditions.
🪰 Hatch Calendar
Monocacy River · May · Late Spring
Showing typical dates — water temperature data unavailable for live hatch predictions.
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Hendrickson peak. Caddis. Sulphurs (size 16-18). Stocked trout still active before water warms.
River Map
About Monocacy River
The Monocacy River is a major Potomac tributary flowing through Frederick County, primarily a warmwater fishery but receiving trout stocking in select upper sections during the spring season. Early-season fly fishers working tributary mouths and spring-fed pool tailouts can find freshly stocked rainbows and browns before temperatures rise.
Regulations
Standard Maryland statewide trout regulations apply. Trout stocking is a spring put-and-take program; fish do not persist through summer in the main stem. Trout season opens the last Saturday in March; 5-fish daily creel, 7-inch minimum. Check Maryland DNR for current year stocking locations — this is primarily a warmwater fishery by May.