Ontario, Oregon Weather Conditions

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Current Conditions

  • 45°
  • Clear
  • Wind: Calm
  • Humidity: 48%
  • Visibility: 10.0 miles
  • Dew Point: 26°
  • Pressure: 30.14 in. 0

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Next 12 Hours

8  am
11  am
2  pm
5  pm
8  pm
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Clear
44°
59°
68°
72°
68°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Sunday
  • Clear
  • High: 74 °
  • Low: 43 °
  • Clear
  • Monday
  • Clear
  • High: 76 °
  • Low: 45 °
  • Clear
  • Tuesday
  • Clear
  • High: 80 °
  • Low: 50 °
  • Clear
  • Wednesday
  • Clear
  • High: 77 °
  • Low: 47 °
  • Clear
  • Thursday
  • Clear
  • High: 76 °
  • Low: 47 °
  • Clear

Forecast for Ontario, Oregon

Updated: 3:20 AM MDT on January 19, 2015

  • Sunday

    Mainly sunny. High 74F. Winds light and variable.

  • Sunday Night

    Clear skies. Low 43F. Winds N at 5 to 10 mph.

  • Monday

    Sunny skies. High 76F. Winds light and variable.

  • Monday Night

    Clear skies. Low around 45F. Winds light and variable.

  • Tuesday

    Mostly sunny skies. High near 80F. Winds light and variable.

  • Tuesday Night

    A mostly clear sky. Low around 50F. Winds N at 5 to 10 mph.

  • Wednesday

    Mostly sunny skies. High 77F. Winds NW at 10 to 15 mph.

  • Wednesday Night

    Partly cloudy skies. Low 47F. Winds NW at 10 to 15 mph.

  • Thursday

    Mostly sunny skies. High 76F. Winds NW at 5 to 10 mph.

  • Thursday Night

    Clear skies with a few passing clouds. Low 47F. Winds NNW at 5 to 10 mph.

  • Friday

    Partly cloudy. High 73F. Winds WNW at 5 to 10 mph.

  • Friday Night

    Partly cloudy skies in the evening, then becoming cloudy overnight. Low 46F. Winds NW at 10 to 15 mph.

  • Saturday

    Cloudy skies early will become partly cloudy later in the day. High 69F. Winds WNW at 5 to 10 mph.

  • Saturday Night

    Partly cloudy skies. Low 43F. Winds NNW at 5 to 10 mph.

  • Sunday

    Partly cloudy skies. High 73F. Winds SW at 5 to 10 mph.

  • Sunday Night

    A few clouds. Low 46F. Winds S at 5 to 10 mph.

  • Monday

    Except for a few afternoon clouds, mainly sunny. High 73F. Winds S at 10 to 15 mph.

  • Monday Night

    Mostly cloudy in the evening then periods of showers after midnight. Low near 45F. Winds W at 5 to 10 mph. Chance of rain 60%.

  • Tuesday

    Cloudy with occasional rain showers. High 67F. Winds W at 10 to 15 mph. Chance of rain 60%.

  • Tuesday Night

    A few clouds. Low 42F. Winds WNW at 5 to 10 mph.

  • Wednesday

    Sunshine and clouds mixed. High 67F. Winds WNW at 5 to 10 mph.

  • Wednesday Night

    Partly cloudy skies. Low around 40F. Winds NW at 5 to 10 mph.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: Payette Foothills, Payette, ID

Updated: 6:44 AM MDT

Temperature: 36.1 °F Dew Point: 32 °F Humidity: 22% Wind: Calm Pressure: 27.79 in Hourly Precipitation: 0.00 in Windchill: 36 °F Graphs

Location: MesoWest, Fruitland, ID

Updated: 6:00 AM MDT

Temperature: 46 °F Dew Point: 26 °F Humidity: 45% Wind: WNW at 9 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 41 °F Graphs

Location: ITD, Fruitland, ID

Updated: 6:15 AM MDT

Temperature: 49 °F Dew Point: 28 °F Humidity: 45% Wind: WNW at 6 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 46 °F Graphs

Location: MesoWest, Payette, ID

Updated: 6:00 AM MDT

Temperature: 45 °F Dew Point: - Humidity: - Wind: NW at 2 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 45 °F Graphs

Location: NE 25th/Payette Heights Rd., Payette, ID

Updated: 6:49 AM MDT

Temperature: 43.4 °F Dew Point: 24 °F Humidity: 46% Wind: Calm Pressure: 30.17 in Hourly Precipitation: 0.00 in Windchill: 43 °F Graphs

Location: Sunnyside Dairy (2mi S of Weiser), Weiser, ID

Updated: 5:53 AM MDT

Temperature: 40.7 °F Dew Point: 28 °F Humidity: 59% Wind: NE at 1.0 mph Pressure: 30.10 in Hourly Precipitation: 0.00 in Windchill: 41 °F Graphs

Location: RAWS, Vale, OR

Updated: 6:09 AM MDT

Temperature: 49 °F Dew Point: 23 °F Humidity: 36% Wind: ENE at 4 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 48 °F Graphs

Location: Annex, Ontario, OR

Updated: 6:45 AM MDT

Temperature: 47.2 °F Dew Point: 27 °F Humidity: 45% Wind: WNW at 2.0 mph Pressure: 30.11 in Hourly Precipitation: 0.00 in Windchill: 47 °F Graphs

Location: APRSWXNET, New Plymouth, ID

Updated: 6:25 AM MDT

Temperature: 47 °F Dew Point: 26 °F Humidity: 44% Wind: WNW at 3 mph Pressure: 30.02 in Hourly Precipitation: 0.00 in Windchill: 47 °F Graphs

Location: ITD, New Plymouth, ID

Updated: 6:14 AM MDT

Temperature: 45 °F Dew Point: 25 °F Humidity: 45% Wind: NW at 7 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 41 °F Graphs

Location: MesoWest, Weiser, ID

Updated: 6:00 AM MDT

Temperature: 52 °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: MesoWest, Parma, ID

Updated: 6:00 AM MDT

Temperature: 44 °F Dew Point: 26 °F Humidity: 49% Wind: WNW at 3 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 44 °F Graphs

Location: MesoWest, Huntington, OR

Updated: 5:15 AM PDT

Temperature: 51 °F Dew Point: 29 °F Humidity: 43% Wind: NE at 9 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Owyhee Junction, Nyssa, OR

Updated: 6:48 AM MDT

Temperature: 49.3 °F Dew Point: 26 °F Humidity: 41% Wind: West at 4.0 mph Pressure: 30.06 in Hourly Precipitation: - Windchill: 48 °F Graphs

Location: MesoWest, Parma, ID

Updated: 6:00 AM MDT

Temperature: 41 °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Windchill: 41 °F Graphs

Location: HADS, Vale, OR

Updated: 5:45 AM MDT

Temperature: 51 °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Mann Creek, Weiser, ID

Updated: 6:25 AM MDT

Temperature: 37.4 °F Dew Point: 26 °F Humidity: 63% Wind: NNW at 2.7 mph Pressure: 30.07 in Hourly Precipitation: - Windchill: 37 °F Graphs

Location: RAWS, Huntington, OR

Updated: 5:03 AM PDT

Temperature: 49 °F Dew Point: 19 °F Humidity: 30% Wind: WNW at 6 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 46 °F Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service Boise Idaho 
323 am MDT sun Apr 19 2015 


Short term...today through Monday...some moisture in the northwest flow 
is combining with lift over highest central Idaho terrain to produce 
some cloudiness east of myl-Idaho City so most areas will be sunny 
today. By afternoon light upslope low layer winds are expected. 
Any isolated terrain driven showers should remain east of Sun 
Valley and our area before they decay after sunset. The 
warming/drying upper level ridge will push inland tonight and 
Monday for warmer temperatures and a return to clear/sunny skies. 
Light diurnal winds expected through Monday. 


Long term...Monday night through Sunday...the upper level ridge 
will keep southeast Oregon and southwest Idaho warm and dry through 
Tuesday night. Temperatures will be around 10 degrees above normal. 
A series of upper level trough will begin moving through the region 
on Wednesday. This trough splits as it moves onshore but should 
bring enough moisture for showers and thunderstorms across the area. 
Showers will continue on Thursday though there should be less 
coverage in the absence of any upper level support. A second trough 
moves through the region on Friday which will bring another round of 
showers. The upper level ridge rebuilds over the region on Saturday 
ahead of a deepening trough off the West Coast. This should bring 
drier and warm conditions through Sunday. A cooling trend starting 
Thursday will lower temperatures to near normal for Friday and 
Saturday but should warm to above normal on Sunday. 


&& 


Aviation...VFR. Mostly clear skies. Light surface winds...about 
12 knots or less. Winds aloft...northwest-north 15-20 knots up 
through 10k feet mean sea level. 


&& 


Boi watches/warnings/advisories... 
Idaho...none. 
Or...none. 


&& 


$$ 


Weather.Gov/Boise 


Short term...vm 
long term....js 
aviation.....Js 






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