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

Weather in Bonanza, Colorado

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

Bonanza, CO
Sunday, May 17 at 1:04 AM
61
°
Overcast
Feels like
48°
Humidity
14%
Wind
18 mph
Sunrise
5:52 AM
Sunset
8:09 PM
Bonanza, CO
Hour by hour · 24h
62°
7p
58°
8p
53°
9p
51°
10p
50°
11p
48°
12a
47°
1a
46°
2a
45°
3a
45°
4a
43°
5a
41°
6a
45°
7a
50°
8a
54°
9a
58°
10a
60°
11a
61°
12p
63°
1p
65°
2p
63°
3p
64°
4p
63°
5p
60°
6p
L 41°H 65°
Bonanza, CO
7-day forecast
  1. Today
    May 16
    Overcast
    67°43°
  2. Sunday
    May 17
    Overcast
    60°37°
  3. Monday
    May 18
    Snow
    53%
    46°31°
  4. Tuesday
    May 19
    Overcast
    59°27°
  5. Wednesday
    May 20
    Overcast
    39%
    62°31°
  6. Thursday
    May 21
    Overcast
    31%
    56°34°
  7. Friday
    May 22
    Overcast
    14%
    61°30°
Bonanza, CO
Anemometer · 24h winds · from true
NESW
From · True
SW
231° · backing 139°
Direction
SW
231°
Sustained
18
mph
Gust
30
mph
Peak 24h
34
avg 10
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 10 · pk 34 @ 4:00p
−24h−18h−12h−6hnow
Sustained 18 mph with gusts pulsing to 30 — flags snap, branches bend.
Bonanza, CO
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
712.3
+2.6 mb in 3h · falling · 21.03 inHg
Now
712.3
mb
3h
+2.6
mb
12h
-5.4
mb
24h
-2.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 708719
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Bonanza, CO
Air quality
79
AQI
Moderate
PM 2.5
1.2 μg/m³
PM 10
1.8 μg/m³
NO₂
0.9 μg/m³
Ozone
123.0 μg/m³
UV Index
0.3 Low
Bonanza, CO
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:24 AM
Sunrise
5:52 AM
Daylight
14h 17m
Sunset
8:09 PM
Civil dusk
2:40 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Bonanza, CO
The moon
New Moon
0% illuminated
Moonrise
12:02 PM
Moonset
2:41 AM
In sign
♉︎ Taurus
Bonanza, 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 →

Bonanza at a glance

  • Today vs. normal: 12°F below the seasonal normal for this latitude
  • Last frost: April 6 (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 Bonanza

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.