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

Weather in Fairfield, Montana

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

Fairfield, MT
Sunday, May 17 at 4:52 AM
42
°
Overcast
Feels like
31°
Humidity
63%
Wind
15 mph
Sunrise
5:48 AM
Sunset
8:59 PM
Fairfield, MT
Hour by hour · 24h
51°
10p
49°
11p
48°
12a
47°
1a
45°
2a
44°
3a
44°
4a
42°
5a
42°
13%
6a
44°
7a
48°
11%
8a
51°
9a
53°
10a
55°
11a
57°
12p
59°
1p
59°
2p
60°
3p
61°
4p
60°
5p
59°
6p
57°
7p
56°
8p
51°
9p
L 42°H 61°
Fairfield, MT
7-day forecast
  1. Today
    May 16
    Overcast
    15%
    54°41°
  2. Sunday
    May 17
    Snow
    49%
    38°32°
  3. Monday
    May 18
    Overcast
    11%
    53°33°
  4. Tuesday
    May 19
    Light Drizzle
    19%
    63°37°
  5. Wednesday
    May 20
    Rain
    36%
    53°41°
  6. Thursday
    May 21
    Overcast
    19%
    64°40°
  7. Friday
    May 22
    Overcast
    30%
    70°47°
Fairfield, MT
Anemometer · 24h winds · from true
NESW
From · True
N
006° · veering 86°
Direction
N
006°
Sustained
15
mph
Gust
23
mph
Peak 24h
25
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 25 @ 7:00p
−24h−18h−12h−6hnow
Sustained 15 mph with gusts pulsing to 23 — flags snap, branches bend.
Fairfield, MT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
876.2
+0.7 mb in 3h · steady · 25.87 inHg
Now
876.2
mb
3h
+0.7
mb
12h
+1.6
mb
24h
+1.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 874876
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Fairfield, MT
Air quality
45
AQI
Good
PM 2.5
0.5 μg/m³
PM 10
0.7 μg/m³
NO₂
0.8 μg/m³
Ozone
84.0 μg/m³
UV Index
0.0 Low
Fairfield, MT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:13 AM
Sunrise
5:48 AM
Daylight
15h 11m
Sunset
8:59 PM
Civil dusk
3:37 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Fairfield, MT
The moon
New Moon
0% illuminated
Moonrise
11:46 AM
Moonset
3:45 AM
In sign
♊︎ Gemini
Fairfield, 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 →

Fairfield at a glance

  • Today vs. normal: 22°F below the seasonal normal for this latitude
  • Last frost: June 1 (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 Fairfield

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.