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

Weather in Arlington, Illinois

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

Arlington, IL
Sunday, May 17 at 3:55 AM
70
°
Overcast
Feels like
70°
Humidity
70%
Wind
9 mph
Sunrise
5:36 AM
Sunset
8:10 PM
Arlington, IL
Hour by hour · 24h
61°
10p
61°
11p
61°
12a
60°
23%
1a
60°
10%
2a
58°
10%
3a
58°
14%
4a
61°
10%
5a
57°
24%
6a
56°
12%
7a
58°
8a
60°
9a
63°
10a
67°
11a
70°
12p
73°
1p
75°
2p
77°
3p
78°
4p
79°
5p
79°
6p
77°
7p
75°
8p
72°
9p
L 56°H 79°
Arlington, IL
7-day forecast
  1. Today
    May 16
    Light Drizzle
    66%
    82°62°
  2. Sunday
    May 17
    Overcast
    23%
    86°65°
  3. Monday
    May 18
    Showers
    73%
    79°67°
  4. Tuesday
    May 19
    Showers
    64%
    74°54°
  5. Wednesday
    May 20
    Overcast
    62°45°
  6. Thursday
    May 21
    Overcast
    65°44°
  7. Friday
    May 22
    Overcast
    11%
    61°51°
Arlington, IL
Anemometer · 24h winds · from true
NESW
From · True
SSE
152° · backing 28°
Direction
SSE
152°
Sustained
9
mph
Gust
17
mph
Peak 24h
22
avg 9
Beaufort · 3 · GENTLE 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 9 · pk 22 @ 10:00p
−24h−18h−12h−6hnow
Light breeze backing 28° from the sse.
Arlington, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
985.1
+0.1 mb in 3h · steady · 29.09 inHg
Now
985.1
mb
3h
+0.1
mb
12h
+0.3
mb
24h
+2.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 980987
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Arlington, IL
Air quality
47
AQI
Good
PM 2.5
4.6 μg/m³
PM 10
5.4 μg/m³
NO₂
6.7 μg/m³
Ozone
67.0 μg/m³
UV Index
0.0 Low
Arlington, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:06 AM
Sunrise
5:36 AM
Daylight
14h 34m
Sunset
8:10 PM
Civil dusk
1:42 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Arlington, IL
The moon
New Moon
0% illuminated
Moonrise
10:41 AM
Moonset
1:41 AM
In sign
♊︎ Gemini
Arlington, IL
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 →

Arlington at a glance

  • Today vs. normal: 70°F — typical for the season
  • Last frost: April 25 (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

Warm-season window is open

As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.

ZIP codes in Arlington

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.