Weather in Merrimac, Wisconsin
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
Merrimac, WI
Sunday, May 17 at 4:06 AM
67
°
Overcast
Feels like
65°
Humidity
41%
Wind
1 mph
Sunrise
5:32 AM
Sunset
8:17 PM
Merrimac, WI
Hour by hour · 24h
62°
16%
11p
60°
20%
12a
56°
28%
1a
56°
22%
2a
56°
33%
3a
55°
40%
4a
54°
5a
55°
6a
58°
7a
61°
8a
64°
9a
69°
10a
72°
11a
75°
12p
77°
1p
80°
2p
82°
3p
83°
4p
83°
5p
83°
6p
82°
7p
78°
8p
73°
9p
71°
10p
Merrimac, WI
7-day forecast
- TodayMay 16Drizzle91%85°60°
- SundayMay 17Rain63%67°53°
- MondayMay 18Thunderstorm70%78°58°
- TuesdayMay 19Light Showers77%72°50°
- WednesdayMay 20Overcast—59°43°
- ThursdayMay 21Overcast—61°37°
- FridayMay 22Overcast12%66°45°
Merrimac, WI
Next 24 hours · Cool now
Merrimac, WI
Anemometer · 24h winds · from true
From · True
W
281° · veering 64°
Direction
W
281°
Sustained
1
mph
Gust
2
mph
Peak 24h
18
avg 5
Beaufort · 1 · LIGHT AIR
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
−24h−18h−12h−6hnow
Merrimac, WI
Air quality
44
AQI
Good
- PM 2.5
- 11.5 μg/m³
- PM 10
- 13.2 μg/m³
- NO₂
- 31.0 μg/m³
- Ozone
- 51.0 μg/m³
- UV Index
- 0.0 Low
Merrimac, WI
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:01 AM
Sunrise
5:32 AM
Daylight
14h 45m
Sunset
8:17 PM
Civil dusk
1:50 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Merrimac, WI
The moon
New Moon
0% illuminated
- Moonrise
- 10:34 AM
- Moonset
- 1:51 AM
- In sign
- ♊︎ Gemini
Merrimac, WI
Microseason · 28 of 72
May 16–20
Roses open along the stoops
plant
Merrimac at a glance
- Today vs. normal: 67°F — typical for the season
- Last frost: May 6 (climatological average for this latitude)
- Microseason: 28 of 72, May 16–20
- Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.
Right now in the garden
Cool-season window is open
As of May 17, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).