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

Weather in Bay City, Michigan

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

Bay City, MI
Sunday, May 17 at 12:39 AM
75
°
Overcast
Feels like
72°
Humidity
47%
Wind
10 mph
Sunrise
6:09 AM
Sunset
8:54 PM
Bay City, MI
Hour by hour · 24h
59°
8p
55°
9p
51°
10p
48°
11p
45°
12a
44°
1a
42°
2a
41°
3a
41°
4a
40°
5a
39°
6a
41°
7a
46°
8a
53°
9a
56°
10a
60°
11a
61°
12p
65°
1p
67°
2p
70°
3p
71°
4p
72°
5p
71°
6p
70°
7p
L 39°H 72°
Bay City, MI
7-day forecast
  1. Today
    May 16
    Drizzle
    52%
    84°54°
  2. Sunday
    May 17
    Overcast
    24%
    70°57°
  3. Monday
    May 18
    Light Showers
    71%
    84°55°
  4. Tuesday
    May 19
    Drizzle
    81%
    80°61°
  5. Wednesday
    May 20
    Light Drizzle
    48%
    59°43°
  6. Thursday
    May 21
    Overcast
    56°40°
  7. Friday
    May 22
    Overcast
    65°44°
Bay City, MI
Anemometer · 24h winds · from true
NESW
From · True
WSW
246° · veering 51°
Direction
WSW
246°
Sustained
10
mph
Gust
18
mph
Peak 24h
28
avg 11
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 11 · pk 28 @ 7:00p
−24h−18h−12h−6hnow
Light breeze veering 51° from the wsw.
Bay City, MI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
988.5
-0.2 mb in 3h · rising · 29.19 inHg
Now
988.5
mb
3h
-0.2
mb
12h
+1.6
mb
24h
-0.8
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.
Bay City, MI
Air quality
54
AQI
Moderate
PM 2.5
6.8 μg/m³
PM 10
7.5 μg/m³
NO₂
2.4 μg/m³
Ozone
104.0 μg/m³
UV Index
0.1 Low
Bay City, MI
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:37 AM
Sunrise
6:09 AM
Daylight
14h 45m
Sunset
8:54 PM
Civil dusk
1:28 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Bay City, MI
The moon
New Moon
0% illuminated
Moonrise
10:09 AM
Moonset
1:27 AM
In sign
♉︎ Taurus
Bay City, MI
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 →

Bay City at a glance

  • Today vs. normal: 7°F above the seasonal normal for this latitude
  • Last frost: May 8 (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 Bay City

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.