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

Weather in Winston, Montana

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

Winston, MT
Sunday, May 17 at 4:54 AM
39
°
Overcast
Feels like
30°
Humidity
54%
Wind
9 mph
Sunrise
5:51 AM
Sunset
8:54 PM
Winston, MT
Hour by hour · 24h
49°
10p
49°
11p
48°
12a
47°
1a
46°
2a
44°
3a
44°
4a
43°
5a
42°
6a
43°
7a
47°
8a
49°
9a
51°
10a
54°
11a
56°
12p
58°
1p
60°
2p
60°
3p
60°
4p
60°
5p
59°
6p
57°
7p
54°
8p
51°
9p
L 42°H 60°
Winston, MT
7-day forecast
  1. Today
    May 16
    Light Drizzle
    46%
    49°38°
  2. Sunday
    May 17
    Snow
    15%
    45°33°
  3. Monday
    May 18
    Overcast
    —
    52°34°
  4. Tuesday
    May 19
    Light Drizzle
    11%
    62°37°
  5. Wednesday
    May 20
    Light Snow Shwrs
    43%
    53°41°
  6. Thursday
    May 21
    Light Drizzle
    26%
    62°37°
  7. Friday
    May 22
    Overcast
    36%
    71°47°
Winston, MT
Next 24 hours · Cold now
38°51°64°12a6a12p6pnow 49°high 60°low 42°
Winston, MT
Anemometer · 24h winds · from true
NESW
From · True
NW
311° · veering 9°
Direction
NW
311°
Sustained
9
mph
Gust
24
mph
Peak 24h
31
avg 15
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 15 · pk 31 @ 7:00p
−24h−18h−12h−6hnow
Light breeze veering 9° from the nw.
Winston, MT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
861.3
-0.5 mb in 3h · falling · 25.43 inHg
Now
861.3
mb
3h
-0.5
mb
12h
+1.1
mb
24h
+1.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 860–862
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Winston, MT
Air quality
41
AQI
Good
PM 2.5
1.7 μg/m³
PM 10
2.0 μg/m³
NO₂
1.3 μg/m³
Ozone
83.0 μg/m³
UV Index
0.0 Low
Winston, MT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:17 AM
Sunrise
5:51 AM
Daylight
15h 03m
Sunset
8:54 PM
Civil dusk
3:31 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Winston, MT
The moon
New Moon
0% illuminated
Moonrise
11:50 AM
Moonset
3:38 AM
In sign
♊︎ Gemini
Winston, 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 →

Winston at a glance

  • Today vs. normal: 26°F below the seasonal normal for this latitude
  • Last frost: May 25 (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).

All cities in Montana →

ZIP codes in Winston

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.