Monthly outlook for Trenholm, OR: average high 84.8°, average low 52.6°. That is 3.5° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 2 days and 0.6 inches. The warmest day looks like 24 August (97.2°), the coolest 11 August (48.9°).
84.8°/52.6°
Average high / low
+3.5°
Above normal
0 / 2
Wet days / normal
0.0 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
9 August – 18 August
81.8°
79.4°
+1.3°
19 August – 28 August
89.7°
77.2°
+7°
29 August – 7 September
at normal
75.6°
—
August records over 66 years
106.3°3 August 2017All-time high
45.3°18 August 1973All-time low
Climate normals and records are computed from the nearest reference point — Prescott (11 mi).
Mon, 1079° / 51°0
79 °
Trenholm, Monday, 10 August
Clear. High 79°, low 51°.
Pressure30.09 inHg
Wind6.8 mph N
Humidity44%
Visibility6.2 mi
Dew point49°
Tue, 1180° / 49°0
80 °
Trenholm, Tuesday, 11 August
Clear. High 80°, low 49°.
Pressure30.09 inHg
Wind7.5 mph NW
Humidity44%
Visibility6.2 mi
Dew point50°
Wed, 1276° / 53°0
76 °
Trenholm, Wednesday, 12 August
Clear. High 76°, low 53°.
Pressure30.00 inHg
Wind6.8 mph NW
Humidity46%
Visibility6.2 mi
Dew point50°
Thu, 1384° / 50°0
84 °
Trenholm, Thursday, 13 August
Clear. High 84°, low 50°.
Pressure29.83 inHg
Wind9.8 mph N
Humidity34%
Visibility—
Dew point48°
Fri, 1484° / 53°0
84 °
Trenholm, Friday, 14 August
Overcast. High 84°, low 53°.
Pressure29.88 inHg
Wind10.6 mph NW
Humidity33%
Visibility—
Dew point49°
Sat, 1582° / 52°0
82 °
Trenholm, Saturday, 15 August
Overcast. High 82°, low 52°.
Pressure29.97 inHg
Wind9.9 mph NW
Humidity37%
Visibility—
Dew point49°
Sun, 1685° / 52°0
85 °
Trenholm, Sunday, 16 August
Clear. High 85°, low 52°.
Pressure30.03 inHg
Wind10.6 mph NW
Humidity23%
Visibility—
Dew point40°
Mon, 1782° / 51°0
82 °
Trenholm, Monday, 17 August
Clear. High 82°, low 51°.
Pressure30.12 inHg
Wind9.7 mph NW
Humidity31%
Visibility—
Dew point45°
Tue, 1885° / 49°0
85 °
Trenholm, Tuesday, 18 August
Clear. High 85°, low 49°.
Pressure30.09 inHg
Wind7.9 mph N
Humidity30%
Visibility—
Dew point46°
Wed, 1988° / 55°0
88 °
Trenholm, Wednesday, 19 August
Clear. High 88°, low 55°.
Pressure30.03 inHg
Wind8.2 mph NW
Humidity31%
Visibility—
Dew point49°
Thu, 2086° / 55°0
86 °
Trenholm, Thursday, 20 August
Clear. High 86°, low 55°.
Pressure30.03 inHg
Wind10.5 mph NW
Humidity35%
Visibility—
Dew point51°
Fri, 2186° / 50°0
86 °
Trenholm, Friday, 21 August
Clear. High 86°, low 50°.
Pressure29.97 inHg
Wind9.6 mph NW
Humidity33%
Visibility—
Dew point49°
Sat, 2288° / 54°0
88 °
Trenholm, Saturday, 22 August
Clear. High 88°, low 54°.
Pressure30.00 inHg
Wind9.6 mph NW
Humidity32%
Visibility—
Dew point50°
Sun, 2392° / 56°0
92 °
Trenholm, Sunday, 23 August
Clear. High 92°, low 56°.
Pressure30.03 inHg
Wind11.4 mph N
Humidity29%
Visibility—
Dew point51°
Mon, 2497° / 58°0
97 °
Trenholm, Monday, 24 August
Clear. High 97°, low 58°.
Pressure29.85 inHg
Wind6.7 mph N
Humidity23%
Visibility—
Dew point47°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2578° / 55°0.05
78 °
Trenholm, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high78°
Average low55°
Average precipitation0.05 in
Chance of precipitation17%
Record high95° (1996)
Record low48° (1975)
Wed, 2678° / 55°0.02
78 °
Trenholm, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high78°
Average low55°
Average precipitation0.02 in
Chance of precipitation13%
Record high97° (1986)
Record low48° (1991)
Thu, 2777° / 56°0.04
77 °
Trenholm, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high77°
Average low56°
Average precipitation0.04 in
Chance of precipitation23%
Record high97° (2017)
Record low48° (1960)
Fri, 2878° / 56°0.04
78 °
Trenholm, Friday, 28 August
Climate normal for this date — 60-year average.
Average high78°
Average low56°
Average precipitation0.04 in
Chance of precipitation15%
Record high101° (2017)
Record low48° (1985)
Sat, 2976° / 56°0.07
76 °
Trenholm, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high76°
Average low56°
Average precipitation0.07 in
Chance of precipitation27%
Record high92° (1996)
Record low45° (1965)
Sun, 3075° / 56°0.07
75 °
Trenholm, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high75°
Average low56°
Average precipitation0.07 in
Chance of precipitation27%
Record high98° (2022)
Record low46° (1965)
Mon, 3175° / 56°0.05
75 °
Trenholm, Monday, 31 August
Climate normal for this date — 60-year average.
Average high75°
Average low56°
Average precipitation0.05 in
Chance of precipitation22%
Record high100° (1987)
Record low46° (1964)
Tue, 0176° / 55°0.07
76 °
Trenholm, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high76°
Average low55°
Average precipitation0.07 in
Chance of precipitation22%
Record high95° (1988)
Record low45° (1973)
Wed, 0277° / 55°0.04
77 °
Trenholm, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high77°
Average low55°
Average precipitation0.04 in
Chance of precipitation13%
Record high101° (1988)
Record low45° (1960)
Thu, 0376° / 55°0.06
76 °
Trenholm, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high76°
Average low55°
Average precipitation0.06 in
Chance of precipitation15%
Record high96° (2017)
Record low44° (1964)
Fri, 0476° / 55°0.03
76 °
Trenholm, Friday, 4 September
Climate normal for this date — 60-year average.
Average high76°
Average low55°
Average precipitation0.03 in
Chance of precipitation15%
Record high99° (2017)
Record low47° (1965)
Sat, 0575° / 55°0.06
75 °
Trenholm, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high75°
Average low55°
Average precipitation0.06 in
Chance of precipitation17%
Record high100° (2024)
Record low45° (1969)
Sun, 0675° / 55°0.06
75 °
Trenholm, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high75°
Average low55°
Average precipitation0.06 in
Chance of precipitation18%
Record high96° (2024)
Record low45° (1969)
Mon, 0775° / 55°0.05
75 °
Trenholm, Monday, 7 September
Climate normal for this date — 60-year average.
Average high75°
Average low55°
Average precipitation0.05 in
Chance of precipitation22%
Record high93° (1981)
Record low46° (1999)
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 Trenholm, 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 Trenholm, 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.