Monthly outlook for Union Mills, OR: average high 87.1°, average low 56°. That is 3° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 2 days and 0.5 inches. The warmest day looks like 16 August (93.9°), the coolest 10 August (52.4°).
87.1°/56°
Average high / low
+3°
Above normal
0 / 2
Wet days / normal
0.0 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
8 August – 17 August
88.3°
82.8°
+3.1°
18 August – 27 August
85.1°
80°
+2.9°
28 August – 6 September
at normal
78.6°
—
August records over 66 years
105.3°14 August 2023All-time high
44.2°28 August 1960All-time low
Climate normals and records are computed from the nearest reference point — Johnson City (14 mi).
Sun, 0984° / 54°0
84 °
Union Mills, Sunday, 9 August
Clear. High 84°, low 54°.
Pressure30.03 inHg
Wind6 mph N
Humidity31%
Visibility6.2 mi
Dew point44°
Mon, 1085° / 52°0
85 °
Union Mills, Monday, 10 August
Clear. High 85°, low 52°.
Pressure30.06 inHg
Wind6.7 mph N
Humidity36%
Visibility6.2 mi
Dew point46°
Tue, 1186° / 55°0
86 °
Union Mills, Tuesday, 11 August
Mostly clear. High 86°, low 55°.
Pressure30.09 inHg
Wind6.3 mph N
Humidity39%
Visibility6.2 mi
Dew point50°
Wed, 1284° / 57°0
84 °
Union Mills, Wednesday, 12 August
Clear. High 84°, low 57°.
Pressure30.03 inHg
Wind5.7 mph N
Humidity40%
Visibility6.2 mi
Dew point50°
Thu, 1387° / 53°0
87 °
Union Mills, Thursday, 13 August
Clear. High 87°, low 53°.
Pressure29.91 inHg
Wind7.9 mph N
Humidity35%
Visibility—
Dew point49°
Fri, 1492° / 57°0
92 °
Union Mills, Friday, 14 August
Mostly clear. High 92°, low 57°.
Pressure29.88 inHg
Wind6 mph NW
Humidity27%
Visibility—
Dew point48°
Sat, 1592° / 59°0
92 °
Union Mills, Saturday, 15 August
Overcast. High 92°, low 59°.
Pressure29.97 inHg
Wind6.2 mph NW
Humidity29%
Visibility—
Dew point51°
Sun, 1694° / 60°0
94 °
Union Mills, Sunday, 16 August
Clear. High 94°, low 60°.
Pressure29.97 inHg
Wind6.6 mph NW
Humidity27%
Visibility—
Dew point50°
Mon, 1789° / 60°0
89 °
Union Mills, Monday, 17 August
Overcast. High 89°, low 60°.
Pressure29.97 inHg
Wind4.5 mph SW
Humidity26%
Visibility—
Dew point45°
Tue, 1886° / 56°0
86 °
Union Mills, Tuesday, 18 August
Overcast. High 86°, low 56°.
Pressure30.00 inHg
Wind6 mph SW
Humidity34%
Visibility—
Dew point50°
Wed, 1984° / 54°0
84 °
Union Mills, Wednesday, 19 August
Partly cloudy. High 84°, low 54°.
Pressure30.03 inHg
Wind5.8 mph NW
Humidity34%
Visibility—
Dew point49°
Thu, 2084° / 55°0
84 °
Union Mills, Thursday, 20 August
Clear. High 84°, low 55°.
Pressure30.03 inHg
Wind9.6 mph N
Humidity31%
Visibility—
Dew point45°
Fri, 2185° / 54°0
85 °
Union Mills, Friday, 21 August
Mostly clear. High 85°, low 54°.
Pressure29.97 inHg
Wind7.4 mph N
Humidity34%
Visibility—
Dew point48°
Sat, 2288° / 56°0
88 °
Union Mills, Saturday, 22 August
Clear. High 88°, low 56°.
Pressure29.94 inHg
Wind6.7 mph N
Humidity27%
Visibility—
Dew point44°
Sun, 2383° / 56°0
83 °
Union Mills, Sunday, 23 August
Mostly clear. High 83°, low 56°.
Pressure30.00 inHg
Wind7.4 mph N
Humidity21%
Visibility—
Dew point35°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2479° / 56°0.06
79 °
Union Mills, Monday, 24 August
Climate normal for this date — 60-year average.
Average high79°
Average low56°
Average precipitation0.06 in
Chance of precipitation13%
Record high100° (1996)
Record low48° (2024)
Tue, 2580° / 56°0.06
80 °
Union Mills, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high80°
Average low56°
Average precipitation0.06 in
Chance of precipitation13%
Record high95° (1967)
Record low48° (1993)
Wed, 2681° / 56°0.02
81 °
Union Mills, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high81°
Average low56°
Average precipitation0.02 in
Chance of precipitation8%
Record high99° (1986)
Record low47° (1993)
Thu, 2780° / 57°0.04
80 °
Union Mills, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high80°
Average low57°
Average precipitation0.04 in
Chance of precipitation15%
Record high97° (1972)
Record low49° (1962)
Fri, 2881° / 56°0.03
81 °
Union Mills, Friday, 28 August
Climate normal for this date — 60-year average.
Average high81°
Average low56°
Average precipitation0.03 in
Chance of precipitation8%
Record high100° (1967)
Record low44° (1960)
Sat, 2980° / 57°0.06
80 °
Union Mills, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high80°
Average low57°
Average precipitation0.06 in
Chance of precipitation20%
Record high95° (2007)
Record low46° (1965)
Sun, 3077° / 56°0.06
77 °
Union Mills, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high77°
Average low56°
Average precipitation0.06 in
Chance of precipitation28%
Record high97° (1987)
Record low46° (1966)
Mon, 3178° / 56°0.05
78 °
Union Mills, Monday, 31 August
Climate normal for this date — 60-year average.
Average high78°
Average low56°
Average precipitation0.05 in
Chance of precipitation18%
Record high99° (1987)
Record low47° (2006)
Tue, 0178° / 56°0.06
78 °
Union Mills, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high78°
Average low56°
Average precipitation0.06 in
Chance of precipitation20%
Record high98° (1988)
Record low43° (1973)
Wed, 0279° / 55°0.06
79 °
Union Mills, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high79°
Average low55°
Average precipitation0.06 in
Chance of precipitation17%
Record high105° (1988)
Record low46° (1960)
Thu, 0378° / 56°0.05
78 °
Union Mills, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high78°
Average low56°
Average precipitation0.05 in
Chance of precipitation18%
Record high95° (2017)
Record low45° (1964)
Fri, 0479° / 55°0.03
79 °
Union Mills, Friday, 4 September
Climate normal for this date — 60-year average.
Average high79°
Average low55°
Average precipitation0.03 in
Chance of precipitation15%
Record high100° (2017)
Record low45° (2000)
Sat, 0578° / 55°0.05
78 °
Union Mills, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high78°
Average low55°
Average precipitation0.05 in
Chance of precipitation13%
Record high98° (2024)
Record low45° (1969)
Sun, 0678° / 55°0.08
78 °
Union Mills, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high78°
Average low55°
Average precipitation0.08 in
Chance of precipitation18%
Record high95° (2014)
Record low46° (1960)
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Union Mills, OR are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Union Mills, OR since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.