Monthly outlook for Sylvis, PA: average high 59.8°, average low 42.2°. That is 2.2° above the climate normal for October. Precipitation is expected on 2 days (about 1.1 inches), against a normal of 6 days and 2.0 inches. The warmest day looks like 16 October (75.7°), the coolest 18 October (33.4°).
59.8°/42.2°
Average high / low
+2.2°
Above normal
2 / 6
Wet days / normal
1.1 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
15 October – 24 October
61.1°
56.9°
+2.4°
25 October – 3 November
57.6°
54.2°
+1.9°
4 November – 13 November
at normal
49.5°
—
October records over 66 years
83.7°4 October 2007All-time high
20.8°20 October 1972All-time low
Climate normals and records are computed from the nearest reference point — Westover (2 mi).
Fri, 1676° / 53°0.73
76 °
Sylvis, Friday, 16 October
Heavy rain. High 76°, low 53°.
Pressure29.71 inHg
Wind19.3 mph SW
Humidity74%
Visibility3.1 mi
Dew point65°
Sat, 1752° / 37°0.01
52 °
Sylvis, Saturday, 17 October
Light rain. High 52°, low 37°.
Pressure30.36 inHg
Wind13.5 mph NW
Humidity58%
Visibility6.2 mi
Dew point25°
Sun, 1855° / 33°0
55 °
Sylvis, Sunday, 18 October
Clear. High 55°, low 33°.
Pressure30.59 inHg
Wind6 mph W
Humidity53%
Visibility6.2 mi
Dew point35°
Mon, 1964° / 36°0
64 °
Sylvis, Monday, 19 October
Clear. High 64°, low 36°.
Pressure30.47 inHg
Wind2.6 mph S
Humidity40%
Visibility6.2 mi
Dew point35°
Tue, 2064° / 38°0
64 °
Sylvis, Tuesday, 20 October
Clear. High 64°, low 38°.
Pressure30.39 inHg
Wind4.9 mph W
Humidity51%
Visibility—
Dew point37°
Wed, 2162° / 43°0
62 °
Sylvis, Wednesday, 21 October
Mostly clear. High 62°, low 43°.
Pressure30.36 inHg
Wind3.9 mph NE
Humidity60%
Visibility—
Dew point41°
Thu, 2263° / 42°0
63 °
Sylvis, Thursday, 22 October
Clear. High 63°, low 42°.
Pressure30.33 inHg
Wind4.4 mph SE
Humidity60%
Visibility—
Dew point40°
Fri, 2359° / 40°0
59 °
Sylvis, Friday, 23 October
Partly cloudy. High 59°, low 40°.
Pressure30.39 inHg
Wind9.3 mph E
Humidity48%
Visibility—
Dew point35°
Sat, 2450° / 34°0
50 °
Sylvis, Saturday, 24 October
Partly cloudy. High 50°, low 34°.
Pressure30.59 inHg
Wind10.9 mph SE
Humidity50%
Visibility—
Dew point25°
Sun, 2556° / 36°0
56 °
Sylvis, Sunday, 25 October
Overcast. High 56°, low 36°.
Pressure30.50 inHg
Wind6.1 mph SE
Humidity48%
Visibility—
Dew point26°
Mon, 2659° / 39°0
59 °
Sylvis, Monday, 26 October
Clear. High 59°, low 39°.
Pressure30.50 inHg
Wind6 mph N
Humidity63%
Visibility—
Dew point39°
Tue, 2758° / 38°0
58 °
Sylvis, Tuesday, 27 October
Overcast. High 58°, low 38°.
Pressure30.36 inHg
Wind11.9 mph SW
Humidity56%
Visibility—
Dew point35°
Wed, 2857° / 50°0
57 °
Sylvis, Wednesday, 28 October
Overcast. High 57°, low 50°.
Pressure30.21 inHg
Wind10.6 mph W
Humidity92%
Visibility—
Dew point51°
Thu, 2957° / 51°0.04
57 °
Sylvis, Thursday, 29 October
Light rain. High 57°, low 51°.
Pressure30.21 inHg
Wind8.3 mph SW
Humidity91%
Visibility—
Dew point53°
Fri, 3058° / 52°0.32
58 °
Sylvis, Friday, 30 October
Light rain. High 58°, low 52°.
Pressure30.09 inHg
Wind12.7 mph SW
Humidity94%
Visibility—
Dew point51°
From day 17 onward the outlook is built from 60-year climate statistics
Sat, 3154° / 40°0.1
54 °
Sylvis, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high54°
Average low40°
Average precipitation0.1 in
Chance of precipitation35%
Record high75° (2024)
Record low23° (2002)
Sun, 0155° / 41°0.1
55 °
Sylvis, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high55°
Average low41°
Average precipitation0.1 in
Chance of precipitation40%
Record high71° (1974)
Record low28° (2002)
Mon, 0254° / 40°0.15
54 °
Sylvis, Monday, 2 November
Climate normal for this date — 60-year average.
Average high54°
Average low40°
Average precipitation0.15 in
Chance of precipitation45%
Record high73° (1982)
Record low25° (1993)
Tue, 0353° / 38°0.08
53 °
Sylvis, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high53°
Average low38°
Average precipitation0.08 in
Chance of precipitation33%
Record high71° (2003)
Record low26° (2002)
Wed, 0451° / 38°0.1
51 °
Sylvis, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high51°
Average low38°
Average precipitation0.1 in
Chance of precipitation28%
Record high73° (2003)
Record low23° (2006)
Thu, 0551° / 38°0.09
51 °
Sylvis, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high51°
Average low38°
Average precipitation0.09 in
Chance of precipitation43%
Record high74° (2024)
Record low19° (1991)
Fri, 0651° / 38°0.08
51 °
Sylvis, Friday, 6 November
Climate normal for this date — 60-year average.
Average high51°
Average low38°
Average precipitation0.08 in
Chance of precipitation37%
Record high74° (2022)
Record low24° (1995)
Sat, 0750° / 36°0.12
50 °
Sylvis, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high50°
Average low36°
Average precipitation0.12 in
Chance of precipitation35%
Record high68° (1975)
Record low22° (1962)
Sun, 0850° / 36°0.11
50 °
Sylvis, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high50°
Average low36°
Average precipitation0.11 in
Chance of precipitation32%
Record high69° (2020)
Record low23° (1960)
Mon, 0951° / 36°0.11
51 °
Sylvis, Monday, 9 November
Climate normal for this date — 60-year average.
Average high51°
Average low36°
Average precipitation0.11 in
Chance of precipitation35%
Record high71° (2020)
Record low20° (1976)
Tue, 1050° / 37°0.17
50 °
Sylvis, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high50°
Average low37°
Average precipitation0.17 in
Chance of precipitation43%
Record high72° (2020)
Record low18° (2017)
Wed, 1148° / 36°0.15
48 °
Sylvis, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high48°
Average low36°
Average precipitation0.15 in
Chance of precipitation33%
Record high66° (1964)
Record low17° (2017)
Thu, 1247° / 34°0.17
47 °
Sylvis, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high47°
Average low34°
Average precipitation0.17 in
Chance of precipitation43%
Record high65° (1964)
Record low18° (2019)
Fri, 1346° / 32°0.06
46 °
Sylvis, Friday, 13 November
Climate normal for this date — 60-year average.
Average high46°
Average low32°
Average precipitation0.06 in
Chance of precipitation35%
Record high62° (1964)
Record low14° (2019)
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 Sylvis, 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 Sylvis, 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.