Monthly outlook for West Haven, CT: average high 59.5°, average low 46.3°. That is 0.8° above the climate normal for October. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 22 October (66.3°), the coolest 24 October (36.8°).
59.5°/46.3°
Average high / low
+0.8°
Above normal
3 / 5
Wet days / normal
0.5 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
21 October – 30 October
60.7°
58.7°
+1.1°
31 October – 9 November
57.4°
55.9°
+0.9°
10 November – 19 November
at normal
51.2°
—
October records over 66 years
87.4°2 October 2019All-time high
28.6°31 October 2020All-time low
Climate normals and records are computed from the nearest reference point — New Haven (3 mi).
Thu, 2266° / 39°0
66 °
West Haven, Thursday, 22 October
Clear. High 66°, low 39°.
Pressure29.97 inHg
Wind7.8 mph N
Humidity38%
Visibility6.2 mi
Dew point35°
Fri, 2355° / 40°0
55 °
West Haven, Friday, 23 October
Clear. High 55°, low 40°.
Pressure30.36 inHg
Wind9.1 mph N
Humidity47%
Visibility6.2 mi
Dew point29°
Sat, 2458° / 37°0
58 °
West Haven, Saturday, 24 October
Clear. High 58°, low 37°.
Pressure30.56 inHg
Wind2.3 mph NW
Humidity43%
Visibility6.2 mi
Dew point32°
Sun, 2562° / 39°0
62 °
West Haven, Sunday, 25 October
Clear. High 62°, low 39°.
Pressure30.56 inHg
Wind5.6 mph NW
Humidity57%
Visibility—
Dew point39°
Mon, 2665° / 42°0
65 °
West Haven, Monday, 26 October
Clear. High 65°, low 42°.
Pressure30.30 inHg
Wind5.8 mph NW
Humidity56%
Visibility—
Dew point41°
Tue, 2766° / 53°0
66 °
West Haven, Tuesday, 27 October
Partly cloudy. High 66°, low 53°.
Pressure30.12 inHg
Wind6.2 mph E
Humidity59%
Visibility—
Dew point46°
Wed, 2856° / 51°0.03
56 °
West Haven, Wednesday, 28 October
Light rain. High 56°, low 51°.
Pressure30.39 inHg
Wind13 mph E
Humidity81%
Visibility—
Dew point47°
Thu, 2962° / 54°0.07
62 °
West Haven, Thursday, 29 October
Light rain. High 62°, low 54°.
Pressure30.09 inHg
Wind15.1 mph SW
Humidity95%
Visibility—
Dew point55°
Fri, 3054° / 45°0
54 °
West Haven, Friday, 30 October
Clear. High 54°, low 45°.
Pressure30.06 inHg
Wind14.5 mph NW
Humidity44%
Visibility—
Dew point30°
Sat, 3148° / 39°0
48 °
West Haven, Saturday, 31 October
Clear. High 48°, low 39°.
Pressure30.36 inHg
Wind13.3 mph NW
Humidity42%
Visibility—
Dew point22°
Sun, 0153° / 37°0
53 °
West Haven, Sunday, 1 November
Overcast. High 53°, low 37°.
Pressure30.56 inHg
Wind12.8 mph SW
Humidity39%
Visibility—
Dew point22°
Mon, 0261° / 53°0.02
61 °
West Haven, Monday, 2 November
Light rain. High 61°, low 53°.
Pressure30.33 inHg
Wind12.6 mph SW
Humidity74%
Visibility—
Dew point49°
Tue, 0362° / 58°0.25
62 °
West Haven, Tuesday, 3 November
Light rain. High 62°, low 58°.
Pressure30.12 inHg
Wind4.7 mph S
Humidity97%
Visibility—
Dew point58°
Wed, 0460° / 55°0.13
60 °
West Haven, Wednesday, 4 November
Light rain. High 60°, low 55°.
Pressure30.18 inHg
Wind9.4 mph NE
Humidity92%
Visibility—
Dew point55°
Thu, 0561° / 55°0
61 °
West Haven, Thursday, 5 November
Overcast. High 61°, low 55°.
Pressure30.30 inHg
Wind9.9 mph NE
Humidity78%
Visibility—
Dew point49°
From day 17 onward the outlook is built from 60-year climate statistics
Fri, 0655° / 45°0.09
55 °
West Haven, Friday, 6 November
Climate normal for this date — 60-year average.
Average high55°
Average low45°
Average precipitation0.09 in
Chance of precipitation32%
Record high74° (2024)
Record low33° (2012)
Sat, 0755° / 44°0.09
55 °
West Haven, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high55°
Average low44°
Average precipitation0.09 in
Chance of precipitation27%
Record high75° (2022)
Record low32° (1962)
Sun, 0853° / 42°0.16
53 °
West Haven, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high53°
Average low42°
Average precipitation0.16 in
Chance of precipitation32%
Record high72° (2020)
Record low29° (2019)
Mon, 0954° / 42°0.09
54 °
West Haven, Monday, 9 November
Climate normal for this date — 60-year average.
Average high54°
Average low42°
Average precipitation0.09 in
Chance of precipitation23%
Record high70° (1975)
Record low24° (2019)
Tue, 1054° / 43°0.15
54 °
West Haven, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high54°
Average low43°
Average precipitation0.15 in
Chance of precipitation38%
Record high68° (2020)
Record low26° (2017)
Wed, 1153° / 42°0.15
53 °
West Haven, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high53°
Average low42°
Average precipitation0.15 in
Chance of precipitation40%
Record high68° (2020)
Record low23° (2017)
Thu, 1252° / 41°0.15
52 °
West Haven, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high52°
Average low41°
Average precipitation0.15 in
Chance of precipitation38%
Record high71° (2022)
Record low26° (2019)
Fri, 1350° / 40°0.21
50 °
West Haven, Friday, 13 November
Climate normal for this date — 60-year average.
Average high50°
Average low40°
Average precipitation0.21 in
Chance of precipitation42%
Record high67° (1964)
Record low23° (2019)
Sat, 1450° / 40°0.09
50 °
West Haven, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high50°
Average low40°
Average precipitation0.09 in
Chance of precipitation22%
Record high64° (1993)
Record low24° (2019)
Sun, 1551° / 40°0.12
51 °
West Haven, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high51°
Average low40°
Average precipitation0.12 in
Chance of precipitation42%
Record high71° (1993)
Record low24° (1967)
Mon, 1651° / 40°0.14
51 °
West Haven, Monday, 16 November
Climate normal for this date — 60-year average.
Average high51°
Average low40°
Average precipitation0.14 in
Chance of precipitation35%
Record high66° (2001)
Record low23° (1967)
Tue, 1750° / 39°0.13
50 °
West Haven, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high50°
Average low39°
Average precipitation0.13 in
Chance of precipitation30%
Record high65° (2024)
Record low24° (2019)
Wed, 1850° / 39°0.08
50 °
West Haven, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high50°
Average low39°
Average precipitation0.08 in
Chance of precipitation23%
Record high63° (1963)
Record low26° (2020)
Thu, 1950° / 39°0.06
50 °
West Haven, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high50°
Average low39°
Average precipitation0.06 in
Chance of precipitation20%
Record high61° (1985)
Record low23° (2020)
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 West Haven, CT 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 West Haven, CT 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.