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

Weather in Haswell, Colorado

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

Haswell, CO
Sunday, May 17 at 12:48 AM
87
°
Clear
Feels like
78°
Humidity
14%
Wind
10 mph
Sunrise
5:39 AM
Sunset
7:58 PM
Haswell, CO
Hour by hour · 24h
88°
6p
85°
7p
76°
8p
73°
9p
68°
10p
66°
11p
63°
12a
61°
1a
61°
2a
60°
3a
59°
4a
55°
5a
55°
6a
62°
7a
69°
8a
78°
9a
81°
10a
82°
11a
84°
12p
84°
1p
86°
2p
87°
3p
87°
4p
87°
5p
L 55°H 88°
Haswell, CO
7-day forecast
  1. Today
    May 16
    Overcast
    89°54°
  2. Sunday
    May 17
    Overcast
    87°53°
  3. Monday
    May 18
    Overcast
    24%
    76°38°
  4. Tuesday
    May 19
    Light Drizzle
    10%
    65°38°
  5. Wednesday
    May 20
    Light Rain
    58%
    58°46°
  6. Thursday
    May 21
    Light Showers
    58%
    71°51°
  7. Friday
    May 22
    Overcast
    34%
    71°48°
Haswell, CO
Anemometer · 24h winds · from true
NESW
From · True
SSE
156° · veering 142°
Direction
SSE
156°
Sustained
10
mph
Gust
16
mph
Peak 24h
27
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
avg 10 · pk 27 @ 8:00p
−24h−18h−12h−6hnow
Light breeze veering 142° from the sse.
Haswell, CO
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
851.7
+5.4 mb in 3h · falling · 25.15 inHg
Now
851.7
mb
3h
+5.4
mb
12h
-6.6
mb
24h
-2.8
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 844858
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Haswell, CO
Air quality
65
AQI
Moderate
PM 2.5
11.8 μg/m³
PM 10
22.4 μg/m³
NO₂
0.5 μg/m³
Ozone
121.0 μg/m³
UV Index
0.8 Low
Haswell, CO
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:11 AM
Sunrise
5:39 AM
Daylight
14h 19m
Sunset
7:58 PM
Civil dusk
2:28 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Haswell, CO
The moon
New Moon
0% illuminated
Moonrise
11:50 AM
Moonset
2:29 AM
In sign
♉︎ Taurus
Haswell, CO
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 →

Haswell at a glance

  • Today vs. normal: 14°F above the seasonal normal for this latitude
  • Last frost: April 7 (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

Warm-season window is open

As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.

ZIP codes in Haswell

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.