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

Weather in Hayden, Colorado

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

Hayden, CO
Sunday, May 17 at 1:03 AM
63
°
Mostly Clear
Feels like
51°
Humidity
35%
Wind
20 mph
Sunrise
5:51 AM
Sunset
8:19 PM
Hayden, CO
Hour by hour · 24h
70°
7p
65°
8p
59°
9p
54°
10p
49°
11p
46°
12a
45°
1a
42°
2a
39°
3a
37°
4a
36°
5a
34°
6a
37°
7a
45°
8a
52°
9a
58°
10a
63°
11a
67°
12p
69°
1p
71°
2p
72°
3p
74°
4p
74°
5p
73°
6p
L 34°H 74°
Hayden, CO
7-day forecast
  1. Today
    May 16
    Overcast
    28%
    72°47°
  2. Sunday
    May 17
    Light Rain
    65%
    59°41°
  3. Monday
    May 18
    Light Snow Shwrs
    99%
    48°31°
  4. Tuesday
    May 19
    Light Drizzle
    22%
    53°28°
  5. Wednesday
    May 20
    Overcast
    61°32°
  6. Thursday
    May 21
    Drizzle
    14%
    56°39°
  7. Friday
    May 22
    Overcast
    64°34°
Hayden, CO
Anemometer · 24h winds · from true
NESW
From · True
WNW
293° · backing 11°
Direction
WNW
293°
Sustained
20
mph
Gust
26
mph
Peak 24h
32
avg 8
Beaufort · 5 · FRESH 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 8 · pk 32 @ 1:00a
−24h−18h−12h−6hnow
A fresh breeze drives the wnw-bound air across the harbor.
Hayden, CO
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
797.3
-0.1 mb in 3h · rising · 23.54 inHg
Now
797.3
mb
3h
-0.1
mb
12h
-4.5
mb
24h
-2.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 797803
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Hayden, CO
Air quality
87
AQI
Moderate
PM 2.5
2.5 μg/m³
PM 10
4.6 μg/m³
NO₂
0.7 μg/m³
Ozone
118.0 μg/m³
UV Index
0.3 Low
Hayden, CO
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:21 AM
Sunrise
5:51 AM
Daylight
14h 28m
Sunset
8:19 PM
Civil dusk
2:51 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Hayden, CO
The moon
New Moon
0% illuminated
Moonrise
11:58 AM
Moonset
2:54 AM
In sign
♉︎ Taurus
Hayden, 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 →

Hayden at a glance

  • Today vs. normal: 8°F below the seasonal normal for this latitude
  • Last frost: April 19 (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 Hayden

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.