An even grey lid over the water, with just enough S wind to ripple the surface and pressure leaking away. The fish at Rainbow Lake are likely to sit near windblown banks where food collects. The forecast is against you; the morning is the least bad option. Treat it as a scouting trip with a rod in hand.
The bites are poor now
Night
Morning
Afternoon
In Washington, Rainbow Lake belongs to Whatcom County. The surroundings are mixed woodland. The water measures roughly 2 acres, so nothing here is far from anything else. It is a small entry by Whatcom County standards. Peaceful Valley sits 22 miles from here and is the nearest stop. After that come Cultus Lake at 22 miles and Ryder Lake at 23 miles. The nearest boundary is a fair way off.
Our records carry no depth, so judge it from the bank. Where the bottom changes texture, fish gather; find that line. This is a lake, so the margins and the first drop matter most. Records held for Whatcom County cover sockeye salmon, Coho salmon and white sturgeon. Protected fish appear in the records for this area, so treat the list as information, not an invitation. Rainbow Lake responds to conditions more than to tactics.
In an average year August sits at 57°F and December at 26°F. The freeze here is occasional rather than annual. In a normal year the cover is thin and short-lived. The hot months push the fishing to dawn and dusk. It holds true on Rainbow Lake more years than not. As the season turns, fish follow food rather than temperature alone.
The paperwork position is blank for this one. No made access appears within a short radius, so plan to park on a verge and walk. For the trout, small spinners and a box of nymphs cover both approaches. Local rules can differ across the county line, so check where you stand. Some stretches are reserved and marked as such on the ground. If the gate is shut, Marten Lake at 1.6 miles is the nearest alternative. What applies at Rainbow Lake may have changed since it was mapped.
34%
The bites are poor now
| 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 1.5 | 2.3 | 4.9 | 4.6 | 4.5 | 4 | 4.2 | 3.6 | 3.6 | 4.3 | 4.3 | 5.3 | 6.1 | 6.5 | 7.2 | 7.4 | 5.8 | 6.9 | 8.5 | 10 | 10.8 | 10 | 10.9 | 10.5 |
| 40° | 40° | 39° | 39° | 39° | 39° | 39° | 39° | 40° | 42° | 44° | 46° | 48° | 49° | 49° | 48° | 47° | 46° | 46° | 46° | 46° | 45° | 44° | 43° |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.3 | 0.2 |
| 30.15 | 30.14 | 30.11 | 30.11 | 30.1 | 30.09 | 30.07 | 30.04 | 30.03 | 30.01 | 29.97 | 29.95 | 29.9 | 29.86 | 29.83 | 29.81 | 29.78 | 29.75 | 29.73 | 29.7 | 29.67 | 29.65 | 29.66 | 29.73 |
| 91 | 91 | 91 | 91 | 90 | 87 | 83 | 79 | 79 | 73 | 67 | 65 | 65 | 67 | 66 | 69 | 70 | 71 | 71 | 73 | 75 | 80 | 89 | 88 |
Sam
AI Fishing Assistant for Rainbow Lake
Evening
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time