Weather in Harlowton, Montana
High country wildflowers peak. Day 59 of spring. Read this microseason across nine climate regions →
Harlowton, MT
Sunday, May 17 at 6:04 AM
40
°
Overcast
Feels like
33°
Humidity
81%
Wind
8 mph
Sunrise
5:42 AM
Sunset
8:48 PM
Harlowton, MT
Hour by hour · 24h
52°
12a
51°
1a
50°
2a
48°
3a
47°
4a
46°
5a
46°
6a
48°
7a
50°
8a
53°
9a
54°
10a
57°
11a
58°
12p
60°
1p
63°
2p
63°
3p
64°
4p
63°
5p
63°
6p
61°
7p
59°
8p
54°
9p
52°
10p
53°
11p
Harlowton, MT
7-day forecast
- TodayMay 17Light Drizzle14%46°34°
- MondayMay 18Overcast—49°34°
- TuesdayMay 19Light Drizzle15%62°33°
- WednesdayMay 20Drizzle46%59°44°
- ThursdayMay 21Overcast27%66°39°
- FridayMay 22Overcast35%62°45°
- SaturdayMay 23Overcast23%74°43°
Harlowton, MT
Next 24 hours · Cool now
Harlowton, MT
Anemometer · 24h winds · from true
From · True
NW
320° · backing 152°
Direction
NW
320°
Sustained
8
mph
Gust
15
mph
Peak 24h
28
avg 10
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
Harlowton, MT
Air quality
40
AQI
Good
- PM 2.5
- 0.7 μg/m³
- PM 10
- 1.0 μg/m³
- NO₂
- 0.8 μg/m³
- Ozone
- 79.0 μg/m³
- UV Index
- 0.0 Low
Harlowton, MT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:10 AM
Sunrise
5:42 AM
Daylight
15h 06m
Sunset
8:48 PM
Civil dusk
3:23 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Harlowton, MT
The moon
New Moon
0% illuminated
- Moonrise
- 11:43 AM
- Moonset
- 3:30 AM
- In sign
- ♊︎ Gemini
Harlowton, MT
Microseason · 28 of 72
May 16–20
High country wildflowers peak
bird
Harlowton at a glance
- Today vs. normal: 25°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).