Monthly outlook for Hartley Spur, MN: average high 79.1°, average low 56.1°. That is 3° above the climate normal for August. Precipitation is expected on 4 days (about 0.5 inches), against a normal of 6 days and 2.0 inches. The warmest day looks like 24 August (92.6°), the coolest 23 August (50.2°).
79.1°/56.1°
Average high / low
+3°
Above normal
4 / 6
Wet days / normal
0.5 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
9 August – 18 August
78.2°
74.2°
+2.2°
19 August – 28 August
80.6°
73.2°
+4.1°
29 August – 7 September
at normal
71.2°
—
August records over 66 years
93.7°19 August 1976All-time high
40.6°28 August 1982All-time low
Climate normals and records are computed from the nearest reference point — Meadowlands (15 mi).
Mon, 1081° / 59°0
81 °
Hartley Spur, Monday, 10 August
Mostly clear. High 81°, low 59°.
Pressure29.91 inHg
Wind3.8 mph NW
Humidity32%
Visibility6.2 mi
Dew point48°
Tue, 1185° / 58°0
85 °
Hartley Spur, Tuesday, 11 August
Overcast. High 85°, low 58°.
Pressure29.85 inHg
Wind6.6 mph N
Humidity37%
Visibility6.2 mi
Dew point52°
Wed, 1280° / 54°0
80 °
Hartley Spur, Wednesday, 12 August
Partly cloudy. High 80°, low 54°.
Pressure29.91 inHg
Wind7.8 mph NW
Humidity34%
Visibility6.2 mi
Dew point46°
Thu, 1377° / 56°0
77 °
Hartley Spur, Thursday, 13 August
Light rain. High 77°, low 56°.
Pressure30.03 inHg
Wind8.5 mph NE
Humidity31%
Visibility—
Dew point40°
Fri, 1478° / 51°0
78 °
Hartley Spur, Friday, 14 August
Overcast. High 78°, low 51°.
Pressure30.21 inHg
Wind7.2 mph SE
Humidity30%
Visibility—
Dew point39°
Sat, 1564° / 55°0.09
64 °
Hartley Spur, Saturday, 15 August
Light rain. High 64°, low 55°.
Pressure30.21 inHg
Wind7.2 mph SE
Humidity62%
Visibility—
Dew point50°
Sun, 1673° / 56°0
73 °
Hartley Spur, Sunday, 16 August
Light rain. High 73°, low 56°.
Pressure30.09 inHg
Wind8.2 mph NW
Humidity56%
Visibility—
Dew point53°
Mon, 1788° / 54°0.07
88 °
Hartley Spur, Monday, 17 August
Light rain. High 88°, low 54°.
Pressure29.94 inHg
Wind10.4 mph S
Humidity32%
Visibility—
Dew point47°
Tue, 1879° / 60°0.16
79 °
Hartley Spur, Tuesday, 18 August
Light rain. High 79°, low 60°.
Pressure29.65 inHg
Wind15 mph NW
Humidity57%
Visibility—
Dew point60°
Wed, 1976° / 57°0.01
76 °
Hartley Spur, Wednesday, 19 August
Light rain. High 76°, low 57°.
Pressure29.94 inHg
Wind9.8 mph N
Humidity41%
Visibility—
Dew point46°
Thu, 2080° / 52°0
80 °
Hartley Spur, Thursday, 20 August
Overcast. High 80°, low 52°.
Pressure29.85 inHg
Wind6.1 mph W
Humidity35%
Visibility—
Dew point44°
Fri, 2181° / 60°0.15
81 °
Hartley Spur, Friday, 21 August
Light rain. High 81°, low 60°.
Pressure29.62 inHg
Wind8.6 mph NW
Humidity57%
Visibility—
Dew point60°
Sat, 2275° / 56°0
75 °
Hartley Spur, Saturday, 22 August
Overcast. High 75°, low 56°.
Pressure29.94 inHg
Wind8.9 mph NW
Humidity68%
Visibility—
Dew point54°
Sun, 2379° / 50°0
79 °
Hartley Spur, Sunday, 23 August
Clear. High 79°, low 50°.
Pressure30.15 inHg
Wind3.6 mph NE
Humidity35%
Visibility—
Dew point44°
Mon, 2493° / 59°0.03
93 °
Hartley Spur, Monday, 24 August
Light rain. High 93°, low 59°.
Pressure30.00 inHg
Wind9.1 mph S
Humidity54%
Visibility—
Dew point56°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2574° / 59°0.09
74 °
Hartley Spur, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high74°
Average low59°
Average precipitation0.09 in
Chance of precipitation33%
Record high89° (2013)
Record low46° (2025)
Wed, 2674° / 59°0.12
74 °
Hartley Spur, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high74°
Average low59°
Average precipitation0.12 in
Chance of precipitation37%
Record high89° (1991)
Record low46° (2015)
Thu, 2773° / 58°0.14
73 °
Hartley Spur, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high73°
Average low58°
Average precipitation0.14 in
Chance of precipitation33%
Record high88° (1984)
Record low44° (1982)
Fri, 2873° / 57°0.09
73 °
Hartley Spur, Friday, 28 August
Climate normal for this date — 60-year average.
Average high73°
Average low57°
Average precipitation0.09 in
Chance of precipitation30%
Record high91° (1984)
Record low41° (1982)
Sat, 2973° / 57°0.1
73 °
Hartley Spur, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high73°
Average low57°
Average precipitation0.1 in
Chance of precipitation28%
Record high88° (1969)
Record low45° (1965)
Sun, 3072° / 57°0.1
72 °
Hartley Spur, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high72°
Average low57°
Average precipitation0.1 in
Chance of precipitation35%
Record high85° (1961)
Record low44° (2009)
Mon, 3172° / 56°0.16
72 °
Hartley Spur, Monday, 31 August
Climate normal for this date — 60-year average.
Average high72°
Average low56°
Average precipitation0.16 in
Chance of precipitation40%
Record high85° (1961)
Record low44° (1970)
Tue, 0172° / 57°0.1
72 °
Hartley Spur, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high72°
Average low57°
Average precipitation0.1 in
Chance of precipitation32%
Record high84° (2008)
Record low40° (1974)
Wed, 0272° / 57°0.09
72 °
Hartley Spur, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high72°
Average low57°
Average precipitation0.09 in
Chance of precipitation32%
Record high89° (1983)
Record low39° (1974)
Thu, 0371° / 56°0.11
71 °
Hartley Spur, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high71°
Average low56°
Average precipitation0.11 in
Chance of precipitation35%
Record high92° (2023)
Record low38° (1974)
Fri, 0471° / 56°0.12
71 °
Hartley Spur, Friday, 4 September
Climate normal for this date — 60-year average.
Average high71°
Average low56°
Average precipitation0.12 in
Chance of precipitation30%
Record high92° (2023)
Record low40° (2025)
Sat, 0571° / 56°0.12
71 °
Hartley Spur, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high71°
Average low56°
Average precipitation0.12 in
Chance of precipitation35%
Record high87° (2007)
Record low42° (1962)
Sun, 0670° / 55°0.13
70 °
Hartley Spur, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high70°
Average low55°
Average precipitation0.13 in
Chance of precipitation37%
Record high88° (1978)
Record low40° (2025)
Mon, 0769° / 54°0.13
69 °
Hartley Spur, Monday, 7 September
Climate normal for this date — 60-year average.
Average high69°
Average low54°
Average precipitation0.13 in
Chance of precipitation35%
Record high93° (1976)
Record low38° (2025)
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 Hartley Spur, MN 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 Hartley Spur, MN 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.