Weather in St. Clair, Missouri
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
St. Clair, MO
Sunday, May 17 at 1:42 AM
75
°
Clear
Feels like
78°
Humidity
78%
Wind
9 mph
Sunrise
5:51 AM
Sunset
8:09 PM
St. Clair, MO
Hour by hour · 24h
69°
8p
67°
9p
64°
10p
63°
11p
63°
12a
62°
1a
60°
2a
61°
3a
61°
4a
61°
5a
62°
6a
64°
7a
65°
10%
8a
67°
9a
70°
10a
74°
11a
75°
12p
77°
1p
78°
2p
79°
3p
78°
4p
80°
5p
79°
6p
77°
7p
St. Clair, MO
7-day forecast
- TodayMay 16Thunderstorm50%80°68°
- SundayMay 17Overcast—85°67°
- MondayMay 18Light Drizzle40%84°72°
- TuesdayMay 19Light Showers87%81°59°
- WednesdayMay 20Overcast76%68°49°
- ThursdayMay 21Drizzle16%59°54°
- FridayMay 22Foggy19%64°54°
St. Clair, MO
Next 24 hours · Mild now
St. Clair, MO
Anemometer · 24h winds · from true
From · True
SE
137° · backing 62°
Direction
SE
137°
Sustained
9
mph
Gust
15
mph
Peak 24h
28
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
−24h−18h−12h−6hnow
St. Clair, MO
Air quality
32
AQI
Good
- PM 2.5
- 6.9 μg/m³
- PM 10
- 7.7 μg/m³
- NO₂
- 4.2 μg/m³
- Ozone
- 58.0 μg/m³
- UV Index
- 0.0 Low
St. Clair, MO
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:23 AM
Sunrise
5:51 AM
Daylight
14h 18m
Sunset
8:09 PM
Civil dusk
1:39 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
St. Clair, MO
The moon
New Moon
0% illuminated
- Moonrise
- 10:59 AM
- Moonset
- 1:37 AM
- In sign
- ♉︎ Taurus
St. Clair, MO
Microseason · 28 of 72
May 16–20
Roses open on the Piedmont edge
insect
St. Clair at a glance
- Today vs. normal: 75°F — typical for the season
- Last frost: April 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
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.