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St. Helens, WA · Cowlitz County
Right Now
Clear
Water
61°
Wind
7 mph
WNW
Gusts
13 mph
Pressure
29.96
falling
Forecast - Thu, Jun 25
High / Low
62° / 48°
Wind
4 mph
gusts 19 mph
Precip
57%
UV
4
Sunrise
12:18 PM
Sunset
4:05 AM
Every forecast metric for the week ahead — plus AI-picked best days for fishing, boating, swimming, and paddling.
Instant recommendations based on wind, precip, pressure, solunar, and temperature.
Best for Fishing
Mon, Mon, Jun 29
Mon, Jun 29 scores 63/100 — Solunar 5/5, Wind 6 mph.
Best for Boating
Thu, Thu, Jul 2
Thu, Jul 2 scores 90/100 — Wind 7 mph, Rain 0%.
Best for Swimming
Thu, Thu, Jul 2
Thu, Jul 2 scores 50/100 — Rain 0%, Wind 7 mph.
Best for Paddling
Fri, Fri, Jul 3
Fri, Jul 3 scores 85/100 — Wind 7 mph, Rain 0%.
Ask the AI assistant about this week:
Swipe to see all 9 days
| Metric | Thu25 | Fri26 | Sat27 | Sun28 | Mon29 | Tue30 | Wed1 | Thu2 | Fri3 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Drizzle | Drizzle | Rain | Drizzle | Drizzle | Drizzle | Drizzle | Partly Cloudy | Mostly Cloudy |
| High / Low | 62°/48° | 54°/44° | 51°/42° | 51°/43° | 51°/44° | 51°/41° | 55°/41° | 55°/42° | 60°/47° |
| Precip | 57% | 91% | 76% | 55% | 55% | 54% | 43% | 0% | 0% |
| Wind | 8 mphgust 19 | 8 mphgust 19 | 7 mphgust 17 | 7 mphgust 18 | 6 mphgust 19 | 6 mphgust 18 | 7 mphgust 16 | 7 mphgust 16 | 7 mphgust 18 |
| Pressure | 29.90" stable | 29.82" falling | 29.94" rising | 30.04" rising | 30.03" stable | 30.06" rising | 30.05" stable | 30.05" stable | 30.06" rising |
| UV Index | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 6 | 5 |
| Sunrise | 12:18 PM | 12:19 PM | 12:19 PM | 12:19 PM | 12:20 PM | 12:21 PM | 12:21 PM | 12:22 PM | 12:22 PM |
| Sunset | 4:05 AM | 4:05 AM | 4:05 AM | 4:05 AM | 4:04 AM | 4:04 AM | 4:04 AM | 4:04 AM | 4:04 AM |
| Bite Rating | 2/5waxing gibbous | 2/5waxing gibbous | 3/5waxing gibbous | 2/5waxing gibbous | 5/5FULL | 4/5FULL | 3/5FULL | 3/5waning gibbous | 2/5waning gibbous |
Today Read
Castle LakeWind read
Calm
4 mph avg
Water read
61°
Cool-water mix
Air range
48° / 62°
today
Precip
57%
watch timing
Today's forecast for Castle Lake has calm wind, 48F to 62F air temperatures, 57% chance of precipitation, and 61F water.
AI read · today
Active temps make wind edges, shallow cover, and feeding windows more important. The planning constraint is weak timing.
Reads 8 live data sources for this lake — tap a stat or ask anything to see its work.
Fishing Forecast
waxing gibbous
Major
7:00 AM - 7:00 AM
Minor
12:16 AM - 1:46 AM
Detailed temperature readings across your lake.
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Water Temperature History
Current
68°
Jul 5
Low
35°
Jan 25
Average
53°
Last 12 Months
Warmest avg: August (69°F)
Coolest avg: February (37°F)
Rapid warming: April → May (+10°F)
Sharpest cooling: October → November (-16°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
7am - 6am
Peak Wind
8 mph
6am
Peak Gust
19 mph
highest gust
Pressure
30.01 inHg
rising
Visibility
29 mi
20% clouds
Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days
Pressure stability helps plan windows
Tap chart points for pressure details
Nearby Lakes
Fishing Forecast
2/5waxing gibbous
Water at 61°F -- good for cool-water species.
Nearby Lakes
FAQ
Castle Lake covers 257.70 acres (0.40 square miles) with a maximum depth of 22.30 meters (~73 feet).
Castle Lake is located in St. Helens, Cowlitz County, WA. It is accessible to the public for outdoor activities.