Monthly outlook for Ottawa, PA: average high 64°, average low 46.4°. That is 2.1° above the climate normal for October. Precipitation is expected on 3 days (about 1.0 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 13 October (77.2°), the coolest 19 October (32.7°).
64°/46.4°
Average high / low
+2.1°
Above normal
3 / 5
Wet days / normal
1.0 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
12 October – 21 October
63.9°
61.2°
+1.5°
22 October – 31 October
64°
57.4°
+3.7°
1 November – 10 November
at normal
54.3°
—
October records over 66 years
86.9°8 October 2007All-time high
19.9°31 October 2002All-time low
Climate normals and records are computed from the nearest reference point — Lewisburg (13 mi).
Tue, 1377° / 55°0
77 °
Ottawa, Tuesday, 13 October
Partly cloudy. High 77°, low 55°.
Pressure29.88 inHg
Wind6.2 mph S
Humidity75%
Visibility6.2 mi
Dew point63°
Wed, 1474° / 59°0.11
74 °
Ottawa, Wednesday, 14 October
Rain. High 74°, low 59°.
Pressure29.94 inHg
Wind6.5 mph NW
Humidity87%
Visibility1.9 mi
Dew point64°
Thu, 1563° / 55°0
63 °
Ottawa, Thursday, 15 October
Overcast. High 63°, low 55°.
Pressure30.24 inHg
Wind3.8 mph N
Humidity59%
Visibility6.2 mi
Dew point45°
Fri, 1669° / 52°0.72
69 °
Ottawa, Friday, 16 October
Rain. High 69°, low 52°.
Pressure29.53 inHg
Wind7.4 mph SW
Humidity90%
Visibility6.2 mi
Dew point63°
Sat, 1750° / 41°0
50 °
Ottawa, Saturday, 17 October
Clear. High 50°, low 41°.
Pressure30.24 inHg
Wind19 mph NW
Humidity54%
Visibility—
Dew point30°
Sun, 1854° / 36°0
54 °
Ottawa, Sunday, 18 October
Clear. High 54°, low 36°.
Pressure30.53 inHg
Wind7.2 mph SW
Humidity58%
Visibility—
Dew point33°
Mon, 1957° / 33°0
57 °
Ottawa, Monday, 19 October
Clear. High 57°, low 33°.
Pressure30.62 inHg
Wind11.1 mph S
Humidity54%
Visibility—
Dew point31°
Tue, 2060° / 40°0
60 °
Ottawa, Tuesday, 20 October
Overcast. High 60°, low 40°.
Pressure30.45 inHg
Wind2.7 mph NE
Humidity74%
Visibility—
Dew point42°
Wed, 2165° / 43°0
65 °
Ottawa, Wednesday, 21 October
Clear. High 65°, low 43°.
Pressure30.30 inHg
Wind3 mph NW
Humidity62%
Visibility—
Dew point43°
Thu, 2267° / 45°0
67 °
Ottawa, Thursday, 22 October
Mostly clear. High 67°, low 45°.
Pressure30.30 inHg
Wind3.6 mph SW
Humidity65%
Visibility—
Dew point46°
Fri, 2366° / 48°0
66 °
Ottawa, Friday, 23 October
Overcast. High 66°, low 48°.
Pressure30.27 inHg
Wind7.7 mph S
Humidity69%
Visibility—
Dew point47°
Sat, 2472° / 50°0
72 °
Ottawa, Saturday, 24 October
Overcast. High 72°, low 50°.
Pressure29.97 inHg
Wind10.8 mph SW
Humidity67%
Visibility—
Dew point49°
Sun, 2560° / 47°0.11
60 °
Ottawa, Sunday, 25 October
Light rain. High 60°, low 47°.
Pressure29.80 inHg
Wind11 mph W
Humidity68%
Visibility—
Dew point49°
Mon, 2659° / 45°0
59 °
Ottawa, Monday, 26 October
Mostly clear. High 59°, low 45°.
Pressure30.24 inHg
Wind11.9 mph NW
Humidity63%
Visibility—
Dew point42°
Tue, 2760° / 38°0.02
60 °
Ottawa, Tuesday, 27 October
Light rain. High 60°, low 38°.
Pressure29.56 inHg
Wind16.9 mph NW
Humidity48%
Visibility—
Dew point32°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 2857° / 42°0.1
57 °
Ottawa, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high57°
Average low42°
Average precipitation0.1 in
Chance of precipitation30%
Record high76° (2023)
Record low26° (1976)
Thu, 2955° / 40°0.18
55 °
Ottawa, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high55°
Average low40°
Average precipitation0.18 in
Chance of precipitation30%
Record high70° (1989)
Record low25° (1965)
Fri, 3056° / 39°0.12
56 °
Ottawa, Friday, 30 October
Climate normal for this date — 60-year average.
Average high56°
Average low39°
Average precipitation0.12 in
Chance of precipitation28%
Record high74° (2024)
Record low26° (1965)
Sat, 3156° / 39°0.09
56 °
Ottawa, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high56°
Average low39°
Average precipitation0.09 in
Chance of precipitation27%
Record high79° (2024)
Record low20° (2002)
Sun, 0157° / 41°0.09
57 °
Ottawa, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high57°
Average low41°
Average precipitation0.09 in
Chance of precipitation28%
Record high74° (1974)
Record low24° (2002)
Mon, 0257° / 41°0.15
57 °
Ottawa, Monday, 2 November
Climate normal for this date — 60-year average.
Average high57°
Average low41°
Average precipitation0.15 in
Chance of precipitation28%
Record high75° (1982)
Record low18° (2002)
Tue, 0356° / 40°0.08
56 °
Ottawa, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high56°
Average low40°
Average precipitation0.08 in
Chance of precipitation33%
Record high74° (2003)
Record low24° (2002)
Wed, 0455° / 39°0.1
55 °
Ottawa, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high55°
Average low39°
Average precipitation0.1 in
Chance of precipitation25%
Record high73° (2003)
Record low25° (1962)
Thu, 0555° / 39°0.12
55 °
Ottawa, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high55°
Average low39°
Average precipitation0.12 in
Chance of precipitation30%
Record high73° (2022)
Record low23° (1991)
Fri, 0654° / 39°0.07
54 °
Ottawa, Friday, 6 November
Climate normal for this date — 60-year average.
Average high54°
Average low39°
Average precipitation0.07 in
Chance of precipitation33%
Record high77° (2024)
Record low25° (1991)
Sat, 0753° / 37°0.1
53 °
Ottawa, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high53°
Average low37°
Average precipitation0.1 in
Chance of precipitation30%
Record high70° (1975)
Record low26° (1960)
Sun, 0853° / 37°0.17
53 °
Ottawa, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high53°
Average low37°
Average precipitation0.17 in
Chance of precipitation25%
Record high70° (1975)
Record low24° (1967)
Mon, 0952° / 37°0.1
52 °
Ottawa, Monday, 9 November
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.1 in
Chance of precipitation32%
Record high70° (1975)
Record low24° (1976)
Tue, 1052° / 37°0.17
52 °
Ottawa, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.17 in
Chance of precipitation45%
Record high72° (2020)
Record low23° (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 Ottawa, 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 Ottawa, 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.