Rattlesnake Lake trout stocking
King County, Washington · lake · about 912 ft elevation
Rattlesnake Lake was last stocked 3 weeks ago (Oct 19, 2026). We have 24 stockings on record since Nov 7, 2016, 2 in the last 12 months (17,610 fish). Most stockings come in March and November. Species stocked: rainbow trout, cutthroat trout.
- Number 6 of 194 stocked waters in King County by stocking days.
- Stocked more often than 84% of Washington waters on our record.
River conditions
Nearest USGS gage: CANYON CREEK NEAR CEDAR FALLS, WA (1 km away, on a different stream or lake).
- Water temperature
- 58°F
- Flow
- 0 cfs
- much lower than usual for the last six weeks
- Gage height
- 0.52 ft
Ideal for trout. Prime range for trout (about 50 to 65°F): fish are feeding actively.
Latest reading Nov 9, 2026, 8:15 AM UTC. USGS data are provisional. Gage page at USGS.
Weather at Rattlesnake Lake
- Today58°FMostly Cloudy7% rain · wind 7 to 10 mph
- Tonight42°FRain100% rain · wind 9 to 13 mph
- Sunday48°FRain Showers80% rain · wind 2 to 12 mph
- Sunday Night37°FMostly Cloudy10% rain · wind 2 to 7 mph
- Monday51°FLight Rain77% rain · wind 1 to 7 mph
- Monday Night42°FLight Rain95% rain · wind 2 to 8 mph
Forecast from the National Weather Service for this location, refreshed hourly.
When is Rattlesnake Lake stocked?
Most stockings come in March and November. Stocked 4 times in 2022, mostly in March, usually on Wednesdays, about every 55 days.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | ||||||||||
| 2025 | 1 | 1 | ||||||||||
| 2024 | 1 | |||||||||||
| 2023 | 1 | 1 | ||||||||||
| 2022 | 1 | 2 | 1 | |||||||||
| 2021 | 1 | 1 | ||||||||||
| 2020 | 1 | 1 | ||||||||||
| 2019 | 2 | 1 |
What is stocked
| Species | Stockings | Fish | Fish per stocking |
|---|---|---|---|
| Rainbow trout | 23 | 93,463 | 4,064 |
| Cutthroat trout | 9 | 12,676 | 1,408 |
Stocking history
20262 stockings · 17,610 fish
| Date | Species | Fish | Since previous | Water | Hatchery |
|---|---|---|---|---|---|
Oct 19Latest Monday · 3 weeks ago | Rainbow trout | 15,610 98 lb | 28 weeks | 61°F | Tokul Cr Hatchery |
Apr 6 Monday | Rainbow trout | 2,000 1,000 lb | 166 days | Tokul Cr Hatchery |
20252 stockings · 12,664 fish
| Date | Species | Fish | Since previous | Water | Hatchery |
|---|---|---|---|---|---|
Oct 22 Wednesday | Cutthroat troutRainbow trout | 9,164 38 lb | 197 days | Tokul Cr Hatchery | |
Apr 8 Tuesday | Rainbow trout | 3,500 1,667 lb | 363 days | Tokul Cr Hatchery |
20241 stocking · 3,500 fish
| Date | Species | Fish | Since previous | Water | Hatchery |
|---|---|---|---|---|---|
Apr 10 Wednesday | Rainbow trout | 3,500 1,522 lb | 167 days | Tokul Cr Hatchery |
20232 stockings · 9,397 fish
- Oct 26 cutthroat trout, rainbow trout, 5,824 fish
- Apr 3 rainbow trout, 3,573 fish
20224 stockings · 12,797 fish
- Nov 15 cutthroat trout, rainbow trout, 8,769 fish
- Mar 23 rainbow trout, 1,736 fish
- Mar 22 rainbow trout, 1,792 fish
- Jan 26 rainbow trout, 500 fish
20212 stockings · 11,504 fish
- Nov 5 cutthroat trout, rainbow trout, 7,980 fish
- Mar 9 rainbow trout, 3,524 fish
20202 stockings · 15,960 fish
- Oct 30 cutthroat trout, rainbow trout, 12,460 fish
- Mar 3 rainbow trout, 3,500 fish
20193 stockings · 11,962 fish
- Nov 6 cutthroat trout, rainbow trout, 8,458 fish
- Mar 19 rainbow trout, 1,544 fish
- Mar 18 rainbow trout, 1,960 fish
20182 stockings · 4,195 fish
- Nov 5 rainbow trout, 1,179 fish
- Mar 2 rainbow trout, 3,016 fish
20173 stockings · 4,847 fish
- Nov 6 cutthroat trout, 10 fish
- Nov 3 cutthroat trout, rainbow trout, 1,837 fish
- Mar 6 rainbow trout, 3,000 fish
20161 stocking · 1,703 fish
- Nov 7 cutthroat trout, rainbow trout, 1,703 fish
Water: the daily high at the nearest USGS gage on the stocking day, where the gage has it.
From Washington fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go. Seasons and limits: Washington fishing regulations.
Where is Rattlesnake Lake?
King County, Washington. Approximate: the marker is the USGS place-name point for this water, not an agency location.
Stocked waters near Rattlesnake Lake
- Christmas Lakelake · 1 mistocked Jul 9, 2026
- Mine Creekstream · 7 mistocked Jul 10, 2020
- Rachor Lakelake · 7 mistocked Aug 1, 2022
- Alice Lakeslake · 8 mistocked Jul 22, 2025
- Lake Alicelake · 9 mistocked Oct 14, 2026
- Thompson Lakelake · 9 mistocked Jun 14, 2023
- Mason Lake Littlelake · 10 mistocked Jul 24, 2024
- Mason Lakelake · 10 mistocked Aug 9, 2026
All stocked waters in King CountyStocked this week in Washington
Questions about Rattlesnake Lake
- When was Rattlesnake Lake last stocked?
- The latest reported stocking was Oct 19, 2026 (rainbow trout, 15,610 fish), according to Washington agency reports.
- How often is Rattlesnake Lake stocked?
- Stocked 4 times in 2022, mostly in March, usually on Wednesdays, about every 55 days. Across all years on record, most stockings come in March and November.
- Is Rattlesnake Lake stocked often?
- Number 6 of 194 stocked waters in King County by stocking days. Stocked more often than 84% of Washington waters on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Rattlesnake Lake?
- Rainbow trout (23 stockings, 93,463 fish); Cutthroat trout (9 stockings, 12,676 fish).
- How warm is the water near Rattlesnake Lake?
- The nearest USGS gage read 58°F on Nov 9. Prime range for trout (about 50 to 65°F): fish are feeding actively.