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

Sinclair, Wyoming Weather

Pikas hayfeeding in granite peaks. Day 76 of spring. Read this microseason across nine climate regions →

Sinclair weather forecast — hour by hour, 7-day outlook, NOAA radar

Sinclair, WY
Wednesday, June 3 at 6:27 PM
75
°
Clear
Feels like
69°
Humidity
12%
Wind
12 mph
Sunrise
5:35 AM
Sunset
8:38 PM
Sinclair, WY
Hour by hour · 24h
24-Hour ForecastSinclair, WY: 24-hour forecast. Temperatures range from 52 to 77 degrees Fahrenheit.
L 52°H 77°
Sinclair, WY
7-day forecast
  1. Today
    Jun 3
    Overcast
    78°45°
  2. Thursday
    Jun 4
    Overcast
    82°52°+4°
  3. Friday
    Jun 5
    Clear
    79°51°-3°
  4. Saturday
    Jun 6
    Overcast
    86°57°+7°
  5. Sunday
    Jun 7
    Overcast
    11%
    81°61°-5°
  6. Monday
    Jun 8
    Overcast
    12%
    79°53°-2°
  7. Tuesday
    Jun 9
    Overcast
    81°54°+2°
Sinclair, WY
Anemometer · 24h winds · from true
NESW
From · True
W
273° · backing 29°
Direction
W
273°
Sustained
12
mph
Gust
26
mph
Peak 24h
26
avg 8
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 8 · pk 26
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 2917SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 29° from the w.
Sinclair, WY
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
806.7
-3.0 mb in 3h · falling rapidly · 23.82 inHg
Now
806.7
mb
3h
-3.0
mb
12h
+4.7
mb
24h
-1.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 798807
790795800805810815-21h-18h-15h-12h-9h-6h-3h-24hNOW806.9797.9802.6
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Sinclair, WY
Air quality
31
AQI
Moderate
+1 in 6hPeak ~56 @ 11 PM

Ozone at AQI 61 now. AQI flat over the last 6 hours (within ±3 points). With UV 9.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 56 by mid-afternoon.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
4.9μg/m³
PM 10Good
9μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
114μg/m³
UV IndexVery high
9.4

What's driving it

Ozone × UV × Sky

Ozone at AQI 61 now. With UV 9.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 56 by mid-afternoon.

Present
AQI 61
UV peak
9.7 at 1 PM
Sky at peak
partly cloudy
Projected peak
AQI 56

PM × Wind × Precip

PM2.5/PM10 ratio 0.57 with 12 mph wind — characteristic of long-range haze transport rather than a local source.

PM2.5/PM10
0.57
Wind
breezy
Recent rain
0h in last 6h
Pattern
transport
Sinclair, WY
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
183.5mi
UNLIMITED
185 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
18:27 UTC ·Sinclair, WY · NOAA NESDIS / STAR · 21696x21696 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
18:27 UTC ·Sinclair, WY · NOAA NESDIS / STAR · 5-min cadence · 10000x6000 px
Sinclair, WY
Satellite · infrared · animated
Sinclair, WY
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Sinclair, WY
Almanac · Wednesday, June 3
The higher the clouds, the finer the weather.
Civil dawn
11:03 AM
Sunrise
5:35 AM
Daylight
15h 03m
Sunset
8:38 PM
Civil dusk
3:13 AM
Planting note
Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Sinclair, WY
The moon
Waning Gibbous
90% illuminated
Moonrise
5:09 AM
Moonset
2:04 PM
In sign
♑︎ Capricorn
Sinclair, WY
Microseason
Jun 1–5

Pikas hayfeeding in granite peaks

bird
Jan 142% of the yearDec 31

Read this microseason across nine climate regions →

Sinclair at a glance

  • Today vs. normal: 75°F — typical for the season
  • Last frost: April 27 (climatological average for this latitude)
  • Microseason: Jun 1–5
  • Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.

Right now in the garden

Warm-season window is open

As of June 3, 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 Sinclair

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.