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Altonah, UT · Duchesne County
Right Now
Windy
Water
58°
Wind
15 mph
WNW
Gusts
24 mph
Pressure
29.76
rising
Forecast - Fri, Jun 26
High / Low
61° / 39°
Wind
15 mph
gusts 38 mph
Precip
0%
UV
9
Sunrise
11:51 AM
Sunset
2:56 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 70/100 — Solunar 5/5, Pressure rising.
Best for Boating
Sat, Sat, Jul 4
Sat, Jul 4 scores 80/100 — Wind 10 mph, Rain 0%.
Best for Swimming
Sat, Sat, Jul 4
Sat, Jul 4 scores 45/100 — Rain 0%, Wind 10 mph.
Best for Paddling
Thu, Thu, Jul 2
Thu, Jul 2 scores 70/100 — Wind 13 mph, Rain 0%.
Ask the AI assistant about this week:
Swipe to see all 9 days
| Metric | Fri26 | Sat27 | Sun28 | Mon29 | Tue30 | Wed1 | Thu2 | Fri3 | Sat4 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Windy | Windy | Drizzle | Snow | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear |
| High / Low | 61°/39° | 50°/38° | 46°/31° | 47°/25° | 50°/34° | 53°/37° | 54°/38° | 56°/40° | 58°/40° |
| Precip | 0% | 43% | 52% | 41% | 30% | 29% | 0% | 12% | 0% |
| Wind | 22 mphgust 38 | 24 mphgust 47 | 16 mphgust 34 | 11 mphgust 24 | 12 mphgust 25 | 13 mphgust 30 | 13 mphgust 30 | 15 mphgust 32 | 10 mphgust 24 |
| Pressure | 29.69" stable | 29.66" falling | 29.77" rising | 29.90" rising | 29.91" stable | 29.85" falling | 29.94" rising | 30.01" rising | 30.09" rising |
| UV Index | 9 | 7 | 7 | 7 | 7 | 7 | 8 | 11 | 9 |
| Sunrise | 11:51 AM | 11:52 AM | 11:52 AM | 11:52 AM | 11:53 AM | 11:53 AM | 11:54 AM | 11:54 AM | 11:55 AM |
| Sunset | 2:56 AM | 2:56 AM | 2:56 AM | 2:56 AM | 2:56 AM | 2:56 AM | 2:56 AM | 2:55 AM | 2:55 AM |
| Bite Rating | 2/5waxing gibbous | 3/5waxing gibbous | 2/5waxing gibbous | 5/5FULL | 4/5FULL | 3/5FULL | 2/5waning gibbous | 3/5waning gibbous | 2/5waning gibbous |
Today Read
Upper Chain LakeWind read
Moderate
15 mph avg
Water read
58°
Cool-water mix
Air range
39° / 61°
today
Precip
0%
low concern
Today's forecast for Upper Chain Lake has moderate wind, 39F to 61F air temperatures, 0% chance of precipitation, and 58F water.
AI read · today
Active temps make wind edges, shallow cover, and feeding windows more important. The planning constraint is wind control.
Reads 8 live data sources for this lake — tap a stat or ask anything to see its work.
Fishing Forecast
waxing gibbous
Major
6:00 AM - 6:00 AM
Minor
12:09 AM - 1:39 AM
Detailed temperature readings across your lake.
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Water Temperature History
Current
58°
Jul 5
Low
32°
Feb 15
Average
46°
Last 12 Months
Warmest avg: June (60°F)
Coolest avg: February (34°F)
Rapid warming: May → June (+19°F)
Sharpest cooling: November → December (-8°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
6am - 5am
Peak Wind
22 mph
8pm
Peak Gust
38 mph
highest gust
Pressure
29.80 inHg
steady
Visibility
21 mi
83% 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 58°F -- good for cool-water species.
Nearby Lakes
FAQ
Upper Chain Lake covers 49.40 acres (0.08 square miles) with a maximum depth of 11.47 meters (~38 feet).
Upper Chain Lake is located in Altonah, Duchesne County, UT. It is accessible to the public for outdoor activities.