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

Weather in Brockton, Montana

High country wildflowers peak. Day 59 of spring. Read this microseason across nine climate regions →

Brockton, MT
Sunday, May 17 at 1:49 AM
61
°
Overcast
Feels like
51°
Humidity
34%
Wind
14 mph
Sunrise
5:18 AM
Sunset
8:33 PM
Brockton, MT
Hour by hour · 24h
70°
7p
68°
8p
64°
9p
61°
10p
59°
11p
57°
12a
55°
1a
54°
2a
53°
3a
51°
4a
50°
5a
50°
6a
53°
7a
56°
8a
60°
9a
64°
10a
64°
11a
65°
12p
65°
1p
66°
2p
68°
3p
67°
4p
65°
5p
64°
6p
L 50°H 70°
Brockton, MT
7-day forecast
  1. Today
    May 16
    Overcast
    20%
    65°35°
  2. Sunday
    May 17
    Light Rain
    55%
    61°43°
  3. Monday
    May 18
    Overcast
    23%
    45°39°
  4. Tuesday
    May 19
    Overcast
    62°35°
  5. Wednesday
    May 20
    Overcast
    10%
    74°47°
  6. Thursday
    May 21
    Heavy Drizzle
    10%
    69°48°
  7. Friday
    May 22
    Overcast
    21%
    73°49°
Brockton, MT
Anemometer · 24h winds · from true
NESW
From · True
E
097° · veering 125°
Direction
E
097°
Sustained
14
mph
Gust
24
mph
Peak 24h
41
avg 11
Beaufort · 4 · MOD 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 41 @ 1:00a
−24h−18h−12h−6hnow
Sustained 14 mph with gusts pulsing to 24 — flags snap, branches bend.
Brockton, MT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
939.1
+1.4 mb in 3h · falling · 27.73 inHg
Now
939.1
mb
3h
+1.4
mb
12h
-3.8
mb
24h
-1.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 937944
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Brockton, MT
Air quality
40
AQI
Good
PM 2.5
5.2 μg/m³
PM 10
6.3 μg/m³
NO₂
0.5 μg/m³
Ozone
94.0 μg/m³
UV Index
0.2 Low
Brockton, MT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:43 AM
Sunrise
5:18 AM
Daylight
15h 15m
Sunset
8:33 PM
Civil dusk
3:11 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Brockton, MT
The moon
New Moon
0% illuminated
Moonrise
11:13 AM
Moonset
3:18 AM
In sign
♉︎ Taurus
Brockton, MT
Microseason · 28 of 72
May 16–20

High country wildflowers peak

bird
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Brockton at a glance

  • Today vs. normal: 61°F — typical for the season
  • Last frost: June 4 (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 Brockton

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.