Monthly outlook for Greenfield, PA: average high 56.3°, average low 41.3°. That is 1.1° below the climate normal for October. Precipitation is expected on 6 days (about 2.9 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 13 October (76.6°), the coolest 18 October (25.3°).
56.3°/41.3°
Average high / low
−1.1°
Below normal
6 / 4
Wet days / normal
2.9 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
12 October – 21 October
62.1°
59.2°
+1.6°
22 October – 31 October
46.6°
55.6°
-5°
1 November – 10 November
at normal
52.4°
—
October records over 66 years
86.2°1 October 2019All-time high
19°30 October 2011All-time low
Climate normals and records are computed from the nearest reference point — Huston (13 mi).
Tue, 1377° / 54°0
77 °
Greenfield, Tuesday, 13 October
Clear. High 77°, low 54°.
Pressure29.91 inHg
Wind12.1 mph SW
Humidity64%
Visibility6.2 mi
Dew point61°
Wed, 1470° / 56°0.07
70 °
Greenfield, Wednesday, 14 October
Rain. High 70°, low 56°.
Pressure29.97 inHg
Wind11.5 mph W
Humidity83%
Visibility6.2 mi
Dew point63°
Thu, 1564° / 52°0.09
64 °
Greenfield, Thursday, 15 October
Light rain. High 64°, low 52°.
Pressure30.21 inHg
Wind6.2 mph SE
Humidity71%
Visibility6.2 mi
Dew point50°
Fri, 1666° / 46°1.3
66 °
Greenfield, Friday, 16 October
Heavy rain. High 66°, low 46°.
Pressure29.65 inHg
Wind24.4 mph NW
Humidity98%
Visibility—
Dew point65°
Sat, 1746° / 26°0
46 °
Greenfield, Saturday, 17 October
Clear. High 46°, low 26°.
Pressure30.39 inHg
Wind17.7 mph NW
Humidity63%
Visibility—
Dew point30°
Sun, 1849° / 25°0
49 °
Greenfield, Sunday, 18 October
Clear. High 49°, low 25°.
Pressure30.68 inHg
Wind9.4 mph S
Humidity39%
Visibility—
Dew point15°
Mon, 1960° / 34°0
60 °
Greenfield, Monday, 19 October
Clear. High 60°, low 34°.
Pressure30.50 inHg
Wind8.3 mph W
Humidity44%
Visibility—
Dew point30°
Tue, 2064° / 40°0
64 °
Greenfield, Tuesday, 20 October
Partly cloudy. High 64°, low 40°.
Pressure30.39 inHg
Wind2.6 mph NW
Humidity49%
Visibility—
Dew point36°
Wed, 2161° / 43°0
61 °
Greenfield, Wednesday, 21 October
Overcast. High 61°, low 43°.
Pressure30.33 inHg
Wind6.8 mph SE
Humidity58%
Visibility—
Dew point39°
Thu, 2258° / 42°0.17
58 °
Greenfield, Thursday, 22 October
Rain. High 58°, low 42°.
Pressure30.21 inHg
Wind14.5 mph S
Humidity76%
Visibility—
Dew point44°
Fri, 2352° / 41°1.13
52 °
Greenfield, Friday, 23 October
Heavy rain. High 52°, low 41°.
Pressure29.83 inHg
Wind14.5 mph NW
Humidity79%
Visibility—
Dew point42°
Sat, 2441° / 37°0.14
41 °
Greenfield, Saturday, 24 October
Light rain. High 41°, low 37°.
Pressure29.77 inHg
Wind21.2 mph NW
Humidity97%
Visibility—
Dew point37°
Sun, 2541° / 34°0
41 °
Greenfield, Sunday, 25 October
Overcast. High 41°, low 34°.
Pressure29.74 inHg
Wind20.6 mph NW
Humidity72%
Visibility—
Dew point29°
Mon, 2641° / 38°0.02
41 °
Greenfield, Monday, 26 October
Light rain. High 41°, low 38°.
Pressure29.83 inHg
Wind11.5 mph NW
Humidity92%
Visibility—
Dew point36°
Tue, 2745° / 40°0
45 °
Greenfield, Tuesday, 27 October
Overcast. High 45°, low 40°.
Pressure29.88 inHg
Wind13.1 mph W
Humidity73%
Visibility—
Dew point35°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 2856° / 40°0.09
56 °
Greenfield, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high56°
Average low40°
Average precipitation0.09 in
Chance of precipitation30%
Record high74° (2014)
Record low23° (1976)
Thu, 2954° / 38°0.2
54 °
Greenfield, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high54°
Average low38°
Average precipitation0.2 in
Chance of precipitation30%
Record high70° (2016)
Record low24° (1965)
Fri, 3054° / 38°0.09
54 °
Greenfield, Friday, 30 October
Climate normal for this date — 60-year average.
Average high54°
Average low38°
Average precipitation0.09 in
Chance of precipitation25%
Record high76° (2024)
Record low19° (2011)
Sat, 3155° / 39°0.05
55 °
Greenfield, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high55°
Average low39°
Average precipitation0.05 in
Chance of precipitation27%
Record high79° (2024)
Record low22° (2011)
Sun, 0155° / 40°0.07
55 °
Greenfield, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high55°
Average low40°
Average precipitation0.07 in
Chance of precipitation20%
Record high73° (1974)
Record low21° (2002)
Mon, 0255° / 40°0.14
55 °
Greenfield, Monday, 2 November
Climate normal for this date — 60-year average.
Average high55°
Average low40°
Average precipitation0.14 in
Chance of precipitation37%
Record high75° (1982)
Record low27° (1976)
Tue, 0354° / 38°0.07
54 °
Greenfield, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high54°
Average low38°
Average precipitation0.07 in
Chance of precipitation27%
Record high72° (2003)
Record low27° (2002)
Wed, 0452° / 38°0.09
52 °
Greenfield, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high52°
Average low38°
Average precipitation0.09 in
Chance of precipitation25%
Record high73° (2003)
Record low25° (1991)
Thu, 0552° / 38°0.12
52 °
Greenfield, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high52°
Average low38°
Average precipitation0.12 in
Chance of precipitation30%
Record high73° (2024)
Record low19° (1991)
Fri, 0652° / 38°0.05
52 °
Greenfield, Friday, 6 November
Climate normal for this date — 60-year average.
Average high52°
Average low38°
Average precipitation0.05 in
Chance of precipitation33%
Record high76° (2022)
Record low24° (1995)
Sat, 0751° / 37°0.12
51 °
Greenfield, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.12 in
Chance of precipitation37%
Record high68° (2020)
Record low22° (1962)
Sun, 0851° / 35°0.13
51 °
Greenfield, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high51°
Average low35°
Average precipitation0.13 in
Chance of precipitation25%
Record high71° (2020)
Record low22° (1960)
Mon, 0951° / 36°0.08
51 °
Greenfield, Monday, 9 November
Climate normal for this date — 60-year average.
Average high51°
Average low36°
Average precipitation0.08 in
Chance of precipitation30%
Record high72° (2020)
Record low22° (1976)
Tue, 1050° / 36°0.15
50 °
Greenfield, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high50°
Average low36°
Average precipitation0.15 in
Chance of precipitation38%
Record high72° (2020)
Record low22° (2017)
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 Greenfield, PA 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 Greenfield, PA 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.