As of 19:21 EDT

Weather in Belfast, ME

45°

Belfast, Saturday, 10 October, 19:21

Partly cloudy. Feels like 45°. High 58°, low 42°.

Pressure30.45 inHg

Wind3 mph NW

Humidity65%

Visibility6.2 mi

Dew point34°

See detailed hourly forecast

Monthly outlook for Belfast, ME: average high 54.9°, average low 39.5°. That is 0.2° above the climate normal for October. Precipitation is expected on 5 days (about 2.7 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 12 October (69.2°), the coolest 20 October (29°).

54.9°/39.5°

Average high / low

+0.2°

Above normal

5 / 5

Wet days / normal

2.7 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
10 October – 19 October	56.1°	55.3°	+0.4°
20 October – 29 October	52.8°	52.2°	+0.3°
30 October – 8 November	at normal	48.8°	—

October records over 66 years

83.1°6 October 2025All-time high

25.7°31 October 2020All-time low

Climate normals and records are computed from the nearest reference point — Swanville (7 mi).

Sun, 1161° / 38°

61 °

Belfast, Sunday, 11 October

Overcast. High 61°, low 38°.

Pressure30.36 inHg

Wind8.1 mph SW

Humidity53%

Visibility6.2 mi

Dew point41°

Mon, 1269° / 45°

69 °

Belfast, Monday, 12 October

Clear. High 69°, low 45°.

Pressure29.74 inHg

Wind4.4 mph W

Humidity56%

Visibility6.2 mi

Dew point49°

Tue, 1350° / 43°

1.15

50 °

Belfast, Tuesday, 13 October

Rain. High 50°, low 43°.

Pressure30.06 inHg

Wind7.6 mph E

Humidity98%

Visibility2.8 mi

Dew point44°

Wed, 1456° / 50°

0.94

56 °

Belfast, Wednesday, 14 October

Heavy rain. High 56°, low 50°.

Pressure29.77 inHg

Wind9.8 mph N

Humidity86%

Visibility6.2 mi

Dew point48°

Thu, 1554° / 41°

54 °

Belfast, Thursday, 15 October

Mostly clear. High 54°, low 41°.

Pressure29.97 inHg

Wind16.9 mph NW

Humidity53%

Visibility—

Dew point35°

Fri, 1652° / 37°

0.15

52 °

Belfast, Friday, 16 October

Light rain. High 52°, low 37°.

Pressure30.12 inHg

Wind13.4 mph S

Humidity59%

Visibility—

Dew point30°

Sat, 1760° / 55°

0.31

60 °

Belfast, Saturday, 17 October

Light rain. High 60°, low 55°.

Pressure29.80 inHg

Wind6 mph SW

Humidity99%

Visibility—

Dew point59°

Sun, 1853° / 41°

0.19

53 °

Belfast, Sunday, 18 October

Light rain. High 53°, low 41°.

Pressure29.85 inHg

Wind10.9 mph N

Humidity92%

Visibility—

Dew point47°

Mon, 1946° / 33°

46 °

Belfast, Monday, 19 October

Clear. High 46°, low 33°.

Pressure30.36 inHg

Wind14.1 mph NW

Humidity55%

Visibility—

Dew point27°

Tue, 2048° / 29°

48 °

Belfast, Tuesday, 20 October

Clear. High 48°, low 29°.

Pressure30.50 inHg

Wind11.1 mph N

Humidity39%

Visibility—

Dew point18°

Wed, 2151° / 32°

51 °

Belfast, Wednesday, 21 October

Clear. High 51°, low 32°.

Pressure30.56 inHg

Wind4.1 mph NW

Humidity39%

Visibility—

Dew point22°

Thu, 2252° / 34°

52 °

Belfast, Thursday, 22 October

Clear. High 52°, low 34°.

Pressure30.65 inHg

Wind3.8 mph N

Humidity46%

Visibility—

Dew point27°

Fri, 2354° / 35°

54 °

Belfast, Friday, 23 October

Clear. High 54°, low 35°.

Pressure30.50 inHg

Wind8.2 mph N

Humidity57%

Visibility—

Dew point32°

Sat, 2455° / 39°

55 °

Belfast, Saturday, 24 October

Overcast. High 55°, low 39°.

Pressure30.30 inHg

Wind12.1 mph N

Humidity58%

Visibility—

Dew point34°

Sun, 2557° / 39°

57 °

Belfast, Sunday, 25 October

Clear. High 57°, low 39°.

Pressure30.30 inHg

Wind7.8 mph N

Humidity57%

Visibility—

Dew point35°

From day 17 onward the outlook is built from 60-year climate statistics

Mon, 2651° / 41°

0.2

51 °

Belfast, Monday, 26 October

Climate normal for this date — 60-year average.

Average high51°

Average low41°

Average precipitation0.2 in

Chance of precipitation38%

Record high73° (1963)

Record low29° (2018)

Tue, 2751° / 40°

0.13

51 °

Belfast, Tuesday, 27 October

Climate normal for this date — 60-year average.

Average high51°

Average low40°

Average precipitation0.13 in

Chance of precipitation33%

Record high71° (1963)

Record low28° (1976)

Wed, 2851° / 39°

0.19

51 °

Belfast, Wednesday, 28 October

Climate normal for this date — 60-year average.

Average high51°

Average low39°

Average precipitation0.19 in

Chance of precipitation35%

Record high76° (2023)

Record low28° (1974)

Thu, 2950° / 38°

0.11

50 °

Belfast, Thursday, 29 October

Climate normal for this date — 60-year average.

Average high50°

Average low38°

Average precipitation0.11 in

Chance of precipitation28%

Record high66° (1989)

Record low28° (1965)

Fri, 3048° / 37°

0.14

48 °

Belfast, Friday, 30 October

Climate normal for this date — 60-year average.

Average high48°

Average low37°

Average precipitation0.14 in

Chance of precipitation28%

Record high64° (1989)

Record low28° (1962)

Sat, 3150° / 38°

0.11

50 °

Belfast, Saturday, 31 October

Climate normal for this date — 60-year average.

Average high50°

Average low38°

Average precipitation0.11 in

Chance of precipitation23%

Record high73° (2024)

Record low26° (2020)

Sun, 0151° / 39°

0.11

51 °

Belfast, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high51°

Average low39°

Average precipitation0.11 in

Chance of precipitation35%

Record high71° (2024)

Record low28° (1992)

Mon, 0249° / 39°

0.17

49 °

Belfast, Monday, 2 November

Climate normal for this date — 60-year average.

Average high49°

Average low39°

Average precipitation0.17 in

Chance of precipitation33%

Record high60° (2001)

Record low23° (2002)

Tue, 0349° / 38°

0.24

49 °

Belfast, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high49°

Average low38°

Average precipitation0.24 in

Chance of precipitation45%

Record high65° (2017)

Record low22° (2002)

Wed, 0449° / 38°

0.07

49 °

Belfast, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high49°

Average low38°

Average precipitation0.07 in

Chance of precipitation30%

Record high65° (1990)

Record low24° (2020)

Thu, 0549° / 38°

0.15

49 °

Belfast, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high49°

Average low38°

Average precipitation0.15 in

Chance of precipitation38%

Record high69° (2022)

Record low24° (1965)

Fri, 0648° / 38°

0.15

48 °

Belfast, Friday, 6 November

Climate normal for this date — 60-year average.

Average high48°

Average low38°

Average precipitation0.15 in

Chance of precipitation40%

Record high72° (2024)

Record low28° (1987)

Sat, 0748° / 37°

0.05

48 °

Belfast, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high48°

Average low37°

Average precipitation0.05 in

Chance of precipitation25%

Record high71° (2022)

Record low17° (2002)

Sun, 0846° / 35°

0.11

46 °

Belfast, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high46°

Average low35°

Average precipitation0.11 in

Chance of precipitation20%

Record high58° (1975)

Record low16° (2002)

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 Belfast, ME 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 Belfast, ME 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.