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Merrimac, WI · Columbia County
Right Now
Mostly Cloudy
Water
73°
Wind
8 mph
SW
Gusts
17 mph
Pressure
29.91
steady
Forecast - Sat, Jun 20
High / Low
74° / 56°
Wind
8 mph
gusts 20 mph
Precip
15%
UV
8
Sunrise
10:17 AM
Sunset
1:42 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
Tue, Tue, Jun 23
Tue, Jun 23 scores 59/100 — Wind 6 mph, Pressure rising.
Best for Boating
Mon, Mon, Jun 22
Mon, Jun 22 scores 80/100 — Wind 9 mph, Rain 0%.
Best for Swimming
Mon, Mon, Jun 22
Mon, Jun 22 scores 75/100 — Air 75°F, Rain 0%.
Best for Paddling
Tue, Tue, Jun 23
Tue, Jun 23 scores 80/100 — Wind 6 mph.
Ask the AI assistant about this week:
Swipe to see all 9 days
| Metric | Sat20 | Sun21 | Mon22 | Tue23 | Wed24 | Thu25 | Fri26 | Sat27 | Sun28 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Mostly Clear | Drizzle | Partly Cloudy | Drizzle | Drizzle | Mostly Cloudy | Drizzle | Drizzle | Mostly Clear |
| High / Low | 74°/56° | 70°/55° | 75°/55° | 75°/54° | 75°/61° | 71°/57° | 74°/56° | 76°/60° | 77°/60° |
| Precip | 15% | 48% | 0% | 30% | 66% | 27% | 32% | 39% | 0% |
| Wind | 12 mphgust 20 | 9 mphgust 14 | 9 mphgust 15 | 6 mphgust 13 | 10 mphgust 19 | 11 mphgust 18 | 5 mphgust 11 | 9 mphgust 21 | 13 mphgust 25 |
| Pressure | 29.93" stable | 29.90" falling | 30.03" rising | 30.14" rising | 29.98" falling | 29.96" falling | 30.01" rising | 29.93" falling | 29.92" falling |
| UV Index | 8 | 4 | 7 | 6 | 5 | 4 | 5 | 6 | 8 |
| Sunrise | 10:17 AM | 10:18 AM | 10:18 AM | 10:18 AM | 10:18 AM | 10:19 AM | 10:19 AM | 10:19 AM | 10:20 AM |
| Sunset | 1:42 AM | 1:42 AM | 1:42 AM | 1:42 AM | 1:43 AM | 1:43 AM | 1:43 AM | 1:43 AM | 1:43 AM |
| Bite Rating | 3/5waxing crescent | 3/5first quarter | 2/5first quarter | 2/5first quarter | 3/5first quarter | 2/5waxing gibbous | 2/5waxing gibbous | 3/5waxing gibbous | 2/5waxing gibbous |
Today Read
Lake WisconsinWind read
Calm
8 mph avg
Water read
73°
Warm-water bite
Air range
56° / 74°
today
Precip
15%
low concern
Today's forecast for Lake Wisconsin has calm wind, 56F to 74F air temperatures, 15% chance of precipitation, and 73F water.
AI read · today
Warm water pushes the plan toward oxygen, shade, depth changes, and low light. The planning constraint is finding the right window.
Reads 9 live data sources for this lake — tap a stat or ask anything to see its work.
Fishing Forecast
waxing crescent
Major
10:46 PM - 1:16 AM
Minor
4:16 PM - 5:46 PM
Detailed temperature readings across your lake.
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Fish Species
14Water Temperature History
Current
77°
Jun 28
Low
33°
Feb 8
Average
55°
Last 12 Months
Warmest avg: July (78°F)
Coolest avg: February (36°F)
Rapid warming: April → May (+16°F)
Sharpest cooling: September → October (-10°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
5am - 4am
Peak Wind
12 mph
3pm
Peak Gust
20 mph
highest gust
Pressure
29.91 inHg
rising
Visibility
12 mi
25% 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
3/5waxing crescent
Water at 73°F -- warm-water species active.
Fish Species
14Nearby Lakes
FAQ
Lake Wisconsin covers 7197.00 acres (11.25 square miles)
Lake Wisconsin is located in Merrimac, Columbia County, WI. It is accessible to the public for outdoor activities.