Weather in Port Byron, Illinois
Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →
Port Byron, IL
Sunday, May 17 at 2:50 AM
73
°
Overcast
Feels like
76°
Humidity
74%
Wind
5 mph
Sunrise
5:40 AM
Sunset
8:14 PM
Port Byron, IL
Hour by hour · 24h
66°
9p
65°
10p
66°
11p
64°
11%
12a
61°
1a
61°
2a
61°
10%
3a
61°
17%
4a
58°
5a
57°
6a
56°
7a
58°
8a
62°
9a
65°
10a
69°
11a
72°
12p
75°
1p
79°
2p
81°
3p
81°
4p
81°
5p
81°
6p
79°
7p
77°
8p
Port Byron, IL
7-day forecast
- TodayMay 16Drizzle68%83°60°
- SundayMay 17Light Rain52%86°64°
- MondayMay 18Heavy Rain85%82°68°
- TuesdayMay 19Showers68%71°50°
- WednesdayMay 20Overcast—62°43°
- ThursdayMay 21Overcast—66°43°
- FridayMay 22Overcast—63°51°
Port Byron, IL
Next 24 hours · Mild now
Port Byron, IL
Anemometer · 24h winds · from true
From · True
SSE
148° · veering 139°
Direction
SSE
148°
Sustained
5
mph
Gust
8
mph
Peak 24h
22
avg 8
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
−24h−18h−12h−6hnow
Port Byron, IL
Air quality
55
AQI
Moderate
- PM 2.5
- 5.4 μg/m³
- PM 10
- 6.5 μg/m³
- NO₂
- 9.6 μg/m³
- Ozone
- 71.0 μg/m³
- UV Index
- 0.0 Low
Port Byron, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:10 AM
Sunrise
5:40 AM
Daylight
14h 34m
Sunset
8:14 PM
Civil dusk
1:47 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Port Byron, IL
The moon
New Moon
0% illuminated
- Moonrise
- 10:44 AM
- Moonset
- 1:47 AM
- In sign
- ♊︎ Gemini
Port Byron, IL
Microseason · 28 of 72
May 16–20
Roses Bloom Along the Shelter Rows
plant
Port Byron at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 26 (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.