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

Weather in Palmyra, Illinois

Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →

Palmyra, IL
Sunday, May 17 at 4:59 AM
64
°
Overcast
Feels like
64°
Humidity
90%
Wind
10 mph
Sunrise
5:44 AM
Sunset
8:07 PM
Palmyra, IL
Hour by hour · 24h
60°
11p
59°
12a
59°
1a
58°
2a
58°
3a
58°
18%
4a
58°
53%
5a
55°
59%
6a
54°
63%
7a
54°
32%
8a
57°
9a
60°
10a
66°
11a
69°
12p
73°
1p
76°
2p
78°
3p
81°
4p
79°
5p
80°
6p
78°
7p
73°
8p
72°
9p
71°
10p
L 54°H 81°
Palmyra, IL
7-day forecast
  1. Today
    May 16
    Rain
    77%
    72°64°
  2. Sunday
    May 17
    Overcast
    85°64°
  3. Monday
    May 18
    Showers
    56%
    78°67°
  4. Tuesday
    May 19
    Light Showers
    82%
    78°59°
  5. Wednesday
    May 20
    Overcast
    51%
    65°48°
  6. Thursday
    May 21
    Overcast
    10%
    66°47°
  7. Friday
    May 22
    Overcast
    13%
    63°54°
Palmyra, IL
Anemometer · 24h winds · from true
NESW
From · True
SE
133° · backing 42°
Direction
SE
133°
Sustained
10
mph
Gust
18
mph
Peak 24h
23
avg 8
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 8 · pk 23 @ 9:00p
−24h−18h−12h−6hnow
Light breeze backing 42° from the se.
Palmyra, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
986.4
-0.3 mb in 3h · steady · 29.13 inHg
Now
986.4
mb
3h
-0.3
mb
12h
-1.9
mb
24h
+1.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 985990
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Palmyra, IL
Air quality
43
AQI
Good
PM 2.5
5.9 μg/m³
PM 10
6.5 μg/m³
NO₂
7.7 μg/m³
Ozone
63.0 μg/m³
UV Index
0.0 Low
Palmyra, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:16 AM
Sunrise
5:44 AM
Daylight
14h 23m
Sunset
8:07 PM
Civil dusk
1:39 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Palmyra, IL
The moon
New Moon
0% illuminated
Moonrise
10:51 AM
Moonset
1:37 AM
In sign
♊︎ Gemini
Palmyra, IL
Microseason · 28 of 72
May 16–20

Roses open on the Piedmont edge

insect
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Palmyra at a glance

  • Today vs. normal: 8°F below the seasonal normal for this latitude
  • Last frost: April 13 (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 Palmyra

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.