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Altermatt Lake
Leavenworth, MN · Brown County
Right Now
Clear
Water
72°
Wind
6 mph
S
Gusts
10 mph
Pressure
30.03
steady
Forecast - Sun, Jul 12
High / Low
89° / 69°
Wind
7 mph
gusts 16 mph
Precip
0%
UV
9
Sunrise
10:47 AM
Sunset
2:02 AM
Every forecast metric for the week ahead, plus best days for fishing, boating, swimming, and paddling.
Quick recommendations based on wind, precip, pressure, solunar, and temperature.
Best for Fishing
Mon, Mon, Jul 13
Mon, Jul 13 scores 66/100: Solunar 4/5, Rain 0%.
Best for Boating
Wed, Wed, Jul 15
Wed, Jul 15 scores 85/100: Wind 6 mph, Rain 0%.
Best for Swimming
Sun, Sun, Jul 12
Sun, Jul 12 scores 75/100: Air 89°F, Rain 0%.
Best for Paddling
Wed, Wed, Jul 15
Wed, Jul 15 scores 85/100: Wind 6 mph, Rain 0%.
Ask about this week:
Swipe to see all 9 days
| Metric | Sun12 | Mon13 | Tue14 | Wed15 | Thu16 | Fri17 | Sat18 | Sun19 | Mon20 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Clear | Clear | Clear | Mostly Clear | Mostly Clear | Mostly Clear | Clear | Drizzle | Drizzle |
| High / Low | 89°/69° | 91°/68° | 93°/69° | 92°/69° | 93°/70° | 93°/73° | 93°/72° | 84°/67° | 85°/64° |
| Precip | 0% | 0% | 0% | 0% | 0% | 23% | 24% | 45% | 30% |
| Wind | 9 mphgust 16 | 10 mphgust 18 | 9 mphgust 17 | 6 mphgust 11 | 11 mphgust 18 | 12 mphgust 22 | 10 mphgust 21 | 17 mphgust 31 | 13 mphgust 24 |
| Pressure | 30.11" stable | 30.12" stable | 30.10" falling | 30.04" falling | 29.94" falling | 29.88" falling | 29.77" falling | 29.68" falling | 29.78" rising |
| UV Index | 9 | 10 | 10 | 9 | 9 | 7 | 10 | 6 | 8 |
| Sunrise | 10:47 AM | 10:48 AM | 10:49 AM | 10:49 AM | 10:50 AM | 10:51 AM | 10:52 AM | 10:53 AM | 10:54 AM |
| Sunset | 2:02 AM | 2:01 AM | 2:00 AM | 2:00 AM | 1:59 AM | 1:58 AM | 1:57 AM | 1:57 AM | 1:56 AM |
| Bite Rating | 3/5waning crescent | 4/5NEW | 4/5NEW | 3/5NEW | 3/5NEW | 2/5waxing crescent | 2/5waxing crescent | 2/5waxing crescent | 3/5waxing crescent |
Today Read
Altermatt LakeWind read
Calm
7 mph avg
Water read
72°
Warm-water bite
Air range
69° / 89°
today
Precip
0%
low concern
Today's forecast for Altermatt Lake has calm wind, 69F to 89F air temperatures, 0% chance of precipitation, and 72F water.
Trip planner
Warm water pushes the plan toward oxygen, shade, depth changes, and low light. The planning constraint is finding the right window.
Uses 8 live data sources for this lake. Tap a stat or ask a question.
Fishing Forecast
waning crescent
Major
4:09 PM - 6:39 PM
Minor
7:44 AM - 9:14 AM
Detailed temperature readings across your lake.
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Water Temperature History
Current
77°
Jul 19
Low
32°
Nov 23
Average
57°
Last 12 Months
Warmest avg: June (77°F)
Coolest avg: January (34°F)
Rapid warming: March → April (+15°F)
Sharpest cooling: September → October (-19°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
5am - 4am
Peak Wind
9 mph
6pm
Peak Gust
15 mph
highest gust
Pressure
30.08 inHg
rising
Visibility
10 mi
1% 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
3/5waning crescent
Water at 72°F -- warm-water species active.
Nearby Lakes
FAQ
Altermatt Lake covers 122.00 acres (0.19 square miles)
Altermatt Lake is located in Leavenworth, Brown County, MN. It is accessible to the public for outdoor activities.