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Heppner, Oregon Weather

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

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

Heppner, OR
Wednesday, June 3 at 6:27 PM
72
°
Overcast
Feels like
68°
Humidity
36%
Wind
5 mph
Sunrise
5:12 AM
Sunset
8:40 PM
Heppner, OR
Hour by hour · 24h
24-Hour ForecastHeppner, OR: 24-hour forecast. Temperatures range from 47 to 73 degrees Fahrenheit.
L 47°H 73°
Heppner, OR
7-day forecast
  1. Today
    Jun 3
    Overcast
    16%
    76°55°
  2. Thursday
    Jun 4
    Clear
    73°47°-3°
  3. Friday
    Jun 5
    Overcast
    69°49°-4°
  4. Saturday
    Jun 6
    Overcast
    63°47°-6°
  5. Sunday
    Jun 7
    Overcast
    66°43°+3°
  6. Monday
    Jun 8
    Light Drizzle
    23%
    0.02″
    60°51°-6°
  7. Tuesday
    Jun 9
    Overcast
    24%
    67°48°+7°
Heppner, OR
Anemometer · 24h winds · from true
NESW
From · True
NNW
327° · backing 72°
Direction
NNW
327°
Sustained
5
mph
Gust
6
mph
Peak 24h
19
avg 7
Beaufort · 2 · LIGHT 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 7 · pk 19 @ 6:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 2810SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Heppner, OR
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
944.8
-0.3 mb in 3h · steady · 27.90 inHg
Now
944.8
mb
3h
-0.3
mb
12h
+3.6
mb
24h
+0.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 942946
935940945950-21h-18h-15h-12h-9h-6h-3h-24hNOW945.9941.8945.6
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Heppner, OR
Air quality
29
AQI
Moderate
-2 in 6hPeak ~48 @ 11 PM

Ozone at AQI 53. AQI flat over the last 6 hours (within ±3 points). Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

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

PM 2.5Good
8.4μg/m³
PM 10Good
10μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
109μg/m³
UV IndexModerate
4.7

What's driving it

Ozone × UV × Sky

Ozone at AQI 53. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

Present
AQI 53
UV peak
5.4 at 1 PM
Sky at peak
overcast
Projected peak
AQI 19

PM × Wind × Precip

PM2.5 at 8.4 µg/m³ (AQI 47) with a 0.81 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.81
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Heppner, OR
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
109.7mi
UNLIMITED
156 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 ·Heppner, OR · 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 ·Heppner, OR · NOAA NESDIS / STAR · 5-min cadence · 10000x6000 px
Heppner, OR
Satellite · infrared · animated
Heppner, OR
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Heppner, OR
Almanac · Wednesday, June 3
The higher the clouds, the finer the weather.
Civil dawn
11:36 AM
Sunrise
5:12 AM
Daylight
15h 28m
Sunset
8:40 PM
Civil dusk
4:18 AM
Planting note
Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Heppner, OR
The moon
Waning Gibbous
90% illuminated
Moonrise
6:16 AM
Moonset
2:40 PM
In sign
♑︎ Capricorn
Heppner, OR
Microseason
Jun 1–5

Pikas hayfeeding in granite peaks

bird
Jan 142% of the yearDec 31

Read this microseason across nine climate regions →

Heppner at a glance

  • Today vs. normal: 72°F — typical for the season
  • Last frost: May 18 (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 Heppner

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.