Monthly outlook for Piedmont, MT: average high 83.7°, average low 56.7°. That is 0.8° above the climate normal for August. Precipitation is expected on 5 days (about 1.2 inches), against a normal of 5 days and 0.9 inches. The warmest day looks like 11 August (94°), the coolest 24 August (50.5°).
83.7°/56.7°
Average high / low
+0.8°
Above normal
5 / 5
Wet days / normal
1.2 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
9 August – 18 August
84.8°
82.9°
+1°
19 August – 28 August
81.9°
80.9°
+0.6°
29 August – 7 September
at normal
78.3°
—
August records over 66 years
100.2°5 August 1961All-time high
35.6°28 August 1960All-time low
Climate normals and records are computed from the nearest reference point — Cardwell (9 mi).
Mon, 1091° / 53°0
91 °
Piedmont, Monday, 10 August
Clear. High 91°, low 53°.
Pressure29.77 inHg
Wind4.5 mph SW
Humidity11%
Visibility6.2 mi
Dew point26°
Tue, 1194° / 59°0
94 °
Piedmont, Tuesday, 11 August
Clear. High 94°, low 59°.
Pressure29.88 inHg
Wind2 mph SW
Humidity12%
Visibility6.2 mi
Dew point26°
Wed, 1285° / 56°0
85 °
Piedmont, Wednesday, 12 August
Overcast. High 85°, low 56°.
Pressure29.85 inHg
Wind7.8 mph NE
Humidity19%
Visibility6.2 mi
Dew point33°
Thu, 1388° / 57°0
88 °
Piedmont, Thursday, 13 August
Overcast. High 88°, low 57°.
Pressure29.74 inHg
Wind15.8 mph NW
Humidity21%
Visibility—
Dew point37°
Fri, 1474° / 60°0.33
74 °
Piedmont, Friday, 14 August
Rain. High 74°, low 60°.
Pressure30.00 inHg
Wind7.5 mph NE
Humidity59%
Visibility—
Dew point51°
Sat, 1587° / 55°0
87 °
Piedmont, Saturday, 15 August
Mostly clear. High 87°, low 55°.
Pressure30.06 inHg
Wind7.9 mph SW
Humidity35%
Visibility—
Dew point46°
Sun, 1676° / 59°0.1
76 °
Piedmont, Sunday, 16 August
Light rain. High 76°, low 59°.
Pressure30.06 inHg
Wind12.2 mph SW
Humidity76%
Visibility—
Dew point56°
Mon, 1784° / 58°0.17
84 °
Piedmont, Monday, 17 August
Rain. High 84°, low 58°.
Pressure29.91 inHg
Wind10.9 mph SW
Humidity33%
Visibility—
Dew point45°
Tue, 1881° / 57°0.01
81 °
Piedmont, Tuesday, 18 August
Light rain. High 81°, low 57°.
Pressure29.85 inHg
Wind19.7 mph SW
Humidity32%
Visibility—
Dew point42°
Wed, 1984° / 61°0
84 °
Piedmont, Wednesday, 19 August
Overcast. High 84°, low 61°.
Pressure29.91 inHg
Wind11.1 mph S
Humidity29%
Visibility—
Dew point40°
Thu, 2087° / 55°0
87 °
Piedmont, Thursday, 20 August
Clear. High 87°, low 55°.
Pressure29.91 inHg
Wind8.6 mph S
Humidity33%
Visibility—
Dew point44°
Fri, 2182° / 62°0.04
82 °
Piedmont, Friday, 21 August
Light rain. High 82°, low 62°.
Pressure29.80 inHg
Wind17.1 mph SW
Humidity33%
Visibility—
Dew point48°
Sat, 2276° / 57°0.55
76 °
Piedmont, Saturday, 22 August
Rain. High 76°, low 57°.
Pressure29.85 inHg
Wind16.2 mph SW
Humidity60%
Visibility—
Dew point52°
Sun, 2377° / 52°0.01
77 °
Piedmont, Sunday, 23 August
Light rain. High 77°, low 52°.
Pressure29.94 inHg
Wind8.2 mph W
Humidity33%
Visibility—
Dew point38°
Mon, 2485° / 51°0
85 °
Piedmont, Monday, 24 August
Overcast. High 85°, low 51°.
Pressure29.91 inHg
Wind9.7 mph S
Humidity30%
Visibility—
Dew point36°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2580° / 55°0.04
80 °
Piedmont, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high80°
Average low55°
Average precipitation0.04 in
Chance of precipitation20%
Record high96° (2008)
Record low36° (1960)
Wed, 2681° / 55°0.04
81 °
Piedmont, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high81°
Average low55°
Average precipitation0.04 in
Chance of precipitation20%
Record high93° (2010)
Record low36° (1992)
Thu, 2781° / 55°0.04
81 °
Piedmont, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high81°
Average low55°
Average precipitation0.04 in
Chance of precipitation23%
Record high94° (2011)
Record low38° (1976)
Fri, 2881° / 55°0.03
81 °
Piedmont, Friday, 28 August
Climate normal for this date — 60-year average.
Average high81°
Average low55°
Average precipitation0.03 in
Chance of precipitation20%
Record high94° (2012)
Record low36° (1960)
Sat, 2981° / 55°0.04
81 °
Piedmont, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high81°
Average low55°
Average precipitation0.04 in
Chance of precipitation23%
Record high92° (2005)
Record low41° (1965)
Sun, 3080° / 55°0.06
80 °
Piedmont, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high80°
Average low55°
Average precipitation0.06 in
Chance of precipitation22%
Record high93° (2007)
Record low36° (1965)
Mon, 3178° / 54°0.05
78 °
Piedmont, Monday, 31 August
Climate normal for this date — 60-year average.
Average high78°
Average low54°
Average precipitation0.05 in
Chance of precipitation27%
Record high93° (2016)
Record low37° (1977)
Tue, 0178° / 53°0.05
78 °
Piedmont, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high78°
Average low53°
Average precipitation0.05 in
Chance of precipitation18%
Record high91° (2022)
Record low39° (2008)
Wed, 0279° / 54°0.04
79 °
Piedmont, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high79°
Average low54°
Average precipitation0.04 in
Chance of precipitation22%
Record high94° (2007)
Record low37° (1975)
Thu, 0379° / 53°0.04
79 °
Piedmont, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high79°
Average low53°
Average precipitation0.04 in
Chance of precipitation20%
Record high97° (2022)
Record low38° (1961)
Fri, 0478° / 53°0.05
78 °
Piedmont, Friday, 4 September
Climate normal for this date — 60-year average.
Average high78°
Average low53°
Average precipitation0.05 in
Chance of precipitation22%
Record high92° (2022)
Record low39° (1965)
Sat, 0578° / 53°0.04
78 °
Piedmont, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high78°
Average low53°
Average precipitation0.04 in
Chance of precipitation25%
Record high96° (2020)
Record low40° (1968)
Sun, 0676° / 53°0.07
76 °
Piedmont, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high76°
Average low53°
Average precipitation0.07 in
Chance of precipitation32%
Record high92° (2022)
Record low38° (2010)
Mon, 0776° / 52°0.06
76 °
Piedmont, Monday, 7 September
Climate normal for this date — 60-year average.
Average high76°
Average low52°
Average precipitation0.06 in
Chance of precipitation23%
Record high95° (2022)
Record low32° (1992)
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 Piedmont, MT 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 Piedmont, MT 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.