Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in Hartford, Wisconsin

Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →

Hartford, WI
Sunday, May 17 at 2:53 AM
69
°
Mostly Clear
Feels like
68°
Humidity
58%
Wind
6 mph
Sunrise
5:27 AM
Sunset
8:11 PM
Hartford, WI
Hour by hour · 24h
54°
9p
52°
10p
52°
11p
51°
12a
53°
1a
51°
22%
2a
52°
21%
3a
53°
19%
4a
55°
19%
5a
52°
24%
6a
54°
7a
58°
8a
61°
9a
64°
10a
67°
11a
70°
12p
72°
1p
74°
2p
76°
3p
77°
4p
78°
5p
77°
6p
75°
7p
73°
8p
L 51°H 78°
Hartford, WI
7-day forecast
  1. Today
    May 16
    Light Drizzle
    93%
    82°59°
  2. Sunday
    May 17
    Rain
    53%
    66°52°
  3. Monday
    May 18
    Rain
    66%
    75°59°
  4. Tuesday
    May 19
    Rain
    57%
    70°50°
  5. Wednesday
    May 20
    Overcast
    55°38°
  6. Thursday
    May 21
    Overcast
    57°35°
  7. Friday
    May 22
    Overcast
    61°43°
Hartford, WI
Anemometer · 24h winds · from true
NESW
From · True
SSE
164° · backing 143°
Direction
SSE
164°
Sustained
6
mph
Gust
6
mph
Peak 24h
21
avg 7
Beaufort · 2 · LIGHT BRZ
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
avg 7 · pk 21 @ 9:00a
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Hartford, WI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
974.0
-0.1 mb in 3h · steady · 28.76 inHg
Now
974.0
mb
3h
-0.1
mb
12h
-0.2
mb
24h
+3.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 969975
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Hartford, WI
Air quality
61
AQI
Moderate
PM 2.5
9.1 μg/m³
PM 10
10.7 μg/m³
NO₂
21.1 μg/m³
Ozone
79.0 μg/m³
UV Index
0.0 Low
Hartford, WI
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:56 AM
Sunrise
5:27 AM
Daylight
14h 44m
Sunset
8:11 PM
Civil dusk
1:45 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Hartford, WI
The moon
New Moon
0% illuminated
Moonrise
10:29 AM
Moonset
1:45 AM
In sign
♊︎ Gemini
Hartford, WI
Microseason · 28 of 72
May 16–20

Roses open along the stoops

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Hartford at a glance

  • Today vs. normal: 69°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).

ZIP codes in Hartford

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.