As of 00:56 MDT

Weather in Hartley, SD

42°Current weather

Hartley, Monday, 19 October, 00:56

Mostly clear. Feels like 40°. High 66°, low 40°.

Pressure30.24 inHg
Wind4.5 mph NE
Humidity66%
Visibility6.2 mi
Dew point32°

Monthly outlook for Hartley, SD: average high 62.6°, average low 43.2°. That is 3° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 23 October (81.2°), the coolest 31 October (33.8°).

62.6°/43.2°
Average high / low
+3°
Above normal
1 / 3
Wet days / normal
0.1 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
19 October – 28 October66.9°59.6°+4°
29 October – 7 November55.4°53°+1.4°
8 November – 17 Novemberat normal47°—

October records over 66 years

96.1°4 October 1963All-time high
-5.3°26 October 2020All-time low

Climate normals and records are computed from the nearest reference point — Bridger (11 mi).

Tue, 2073° / 41°0Clear
73 °Clear

Hartley, Tuesday, 20 October

Clear. High 73°, low 41°.

Pressure30.03 inHg
Wind7 mph SE
Humidity45%
Visibility6.2 mi
Dew point46°
Wed, 2168° / 48°0Clear
68 °Clear

Hartley, Wednesday, 21 October

Clear. High 68°, low 48°.

Pressure30.21 inHg
Wind4.9 mph NE
Humidity66%
Visibility6.2 mi
Dew point51°
Thu, 2278° / 54°0Partly cloudy
78 °Partly cloudy

Hartley, Thursday, 22 October

Partly cloudy. High 78°, low 54°.

Pressure30.00 inHg
Wind12 mph S
Humidity58%
Visibility6.2 mi
Dew point56°
Fri, 2381° / 60°0Partly cloudy
81 °Partly cloudy

Hartley, Friday, 23 October

Partly cloudy. High 81°, low 60°.

Pressure29.65 inHg
Wind16 mph S
Humidity48%
Visibility—
Dew point52°
Sat, 2464° / 46°0Overcast
64 °Overcast

Hartley, Saturday, 24 October

Overcast. High 64°, low 46°.

Pressure30.03 inHg
Wind19.6 mph NW
Humidity55%
Visibility—
Dew point42°
Sun, 2552° / 36°0Mostly clear
52 °Mostly clear

Hartley, Sunday, 25 October

Mostly clear. High 52°, low 36°.

Pressure30.27 inHg
Wind13.6 mph E
Humidity29%
Visibility—
Dew point16°
Mon, 2652° / 37°0Partly cloudy
52 °Partly cloudy

Hartley, Monday, 26 October

Partly cloudy. High 52°, low 37°.

Pressure30.18 inHg
Wind12.5 mph NE
Humidity30%
Visibility—
Dew point17°
Tue, 2761° / 37°0Clear
61 °Clear

Hartley, Tuesday, 27 October

Clear. High 61°, low 37°.

Pressure30.03 inHg
Wind20.4 mph S
Humidity33%
Visibility—
Dew point23°
Wed, 2874° / 46°0Partly cloudy
74 °Partly cloudy

Hartley, Wednesday, 28 October

Partly cloudy. High 74°, low 46°.

Pressure29.68 inHg
Wind18.7 mph S
Humidity32%
Visibility—
Dew point32°
Thu, 2969° / 46°0.09Light rain
69 °Light rain

Hartley, Thursday, 29 October

Light rain. High 69°, low 46°.

Pressure29.29 inHg
Wind26.1 mph SW
Humidity50%
Visibility—
Dew point45°
Fri, 3044° / 36°0Overcast
44 °Overcast

Hartley, Friday, 30 October

Overcast. High 44°, low 36°.

Pressure29.68 inHg
Wind36.4 mph W
Humidity43%
Visibility—
Dew point21°
Sat, 3151° / 34°0Overcast
51 °Overcast

Hartley, Saturday, 31 October

Overcast. High 51°, low 34°.

Pressure30.00 inHg
Wind14.2 mph W
Humidity29%
Visibility—
Dew point15°
Sun, 0152° / 39°0Overcast
52 °Overcast

Hartley, Sunday, 1 November

Overcast. High 52°, low 39°.

Pressure29.91 inHg
Wind21.2 mph NW
Humidity50%
Visibility—
Dew point29°
Mon, 0265° / 44°0Overcast
65 °Overcast

Hartley, Monday, 2 November

Overcast. High 65°, low 44°.

Pressure29.62 inHg
Wind18.7 mph S
Humidity27%
Visibility—
Dew point25°
Tue, 0353° / 46°0Overcast
53 °Overcast

Hartley, Tuesday, 3 November

Overcast. High 53°, low 46°.

Pressure29.50 inHg
Wind20.2 mph W
Humidity55%
Visibility—
Dew point36°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 0454° / 33°0.01Climate normal
54 °Climate normal

Hartley, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high54°
Average low33°
Average precipitation0.01 in
Chance of precipitation12%
Record high81° (1978)
Record low4° (1991)
Thu, 0553° / 33°0.03Climate normal
53 °Climate normal

Hartley, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high53°
Average low33°
Average precipitation0.03 in
Chance of precipitation17%
Record high74° (1975)
Record low7° (2003)
Fri, 0652° / 32°0.03Climate normal
52 °Climate normal

Hartley, Friday, 6 November

Climate normal for this date — 60-year average.

Average high52°
Average low32°
Average precipitation0.03 in
Chance of precipitation12%
Record high76° (2020)
Record low4° (2003)
Sat, 0752° / 32°0.03Climate normal
52 °Climate normal

Hartley, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high52°
Average low32°
Average precipitation0.03 in
Chance of precipitation10%
Record high74° (1999)
Record low-2° (1991)
Sun, 0850° / 32°0.06Climate normal
50 °Climate normal

Hartley, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high50°
Average low32°
Average precipitation0.06 in
Chance of precipitation17%
Record high80° (1999)
Record low11° (1991)
Mon, 0947° / 30°0.04Climate normal
47 °Climate normal

Hartley, Monday, 9 November

Climate normal for this date — 60-year average.

Average high47°
Average low30°
Average precipitation0.04 in
Chance of precipitation22%
Record high70° (2016)
Record low0° (1966)
Tue, 1047° / 28°0.04Climate normal
47 °Climate normal

Hartley, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high47°
Average low28°
Average precipitation0.04 in
Chance of precipitation20%
Record high71° (1989)
Record low-5° (1986)
Wed, 1145° / 27°0.01Climate normal
45 °Climate normal

Hartley, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high45°
Average low27°
Average precipitation0.01 in
Chance of precipitation12%
Record high70° (2005)
Record low-13° (1986)
Thu, 1247° / 28°0.02Climate normal
47 °Climate normal

Hartley, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high47°
Average low28°
Average precipitation0.02 in
Chance of precipitation12%
Record high72° (1999)
Record low-9° (1986)
Fri, 1348° / 29°0.03Climate normal
48 °Climate normal

Hartley, Friday, 13 November

Climate normal for this date — 60-year average.

Average high48°
Average low29°
Average precipitation0.03 in
Chance of precipitation17%
Record high73° (1990)
Record low-20° (1986)
Sat, 1447° / 30°0.02Climate normal
47 °Climate normal

Hartley, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high47°
Average low30°
Average precipitation0.02 in
Chance of precipitation10%
Record high72° (1990)
Record low0° (2014)
Sun, 1546° / 28°0.02Climate normal
46 °Climate normal

Hartley, Sunday, 15 November

Climate normal for this date — 60-year average.

Average high46°
Average low28°
Average precipitation0.02 in
Chance of precipitation10%
Record high67° (2001)
Record low3° (1978)
Mon, 1648° / 29°0.02Climate normal
48 °Climate normal

Hartley, Monday, 16 November

Climate normal for this date — 60-year average.

Average high48°
Average low29°
Average precipitation0.02 in
Chance of precipitation7%
Record high71° (2001)
Record low6° (2014)
Tue, 1746° / 29°0.02Climate normal
46 °Climate normal

Hartley, Tuesday, 17 November

Climate normal for this date — 60-year average.

Average high46°
Average low29°
Average precipitation0.02 in
Chance of precipitation17%
Record high69° (2001)
Record low1° (2000)

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, SD 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, SD 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.