Boston Harbor at Boston (IN MLLW)
13 mi- Level
- 5.1 ft
Forecast peak 11.0 ft Mon 12 PM
Reading from Fri 6:24 PM · NWS gauge page
Observed 6:55 PM EDT at KBVY
Salem, MA weather
Clear and 43°6°.
Today: low 35°2° (likely 35°2° to 41°5°), high 56°13° (likely 54°12° to 56°13°).
Now 43°6°
Clear
- Wind
- Calm
- Up to 8 mph13 km/h through 7 AM
- Dew point
- 30°−1°
- Dry, static shocks likely
- UV tomorrow
- 4Moderate
- Moderate 11 AM–4 PM · peak 4
- Air quality
- 25Good
- Main pollutant: Ozone
- Pressure
- 30.39 inHg1029 hPa
- Rising slowly · +0.04 inHg+1.3 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
Good hours for
TonightDown to 37°3° by 5 AM · Clear
Tomorrow morningUp to 50°10° by 11 AM · Clear
Tomorrow afternoonUp to 58°14° by 2 PM · Clear
Tomorrow nightDown to 38°3° by 5 AM · Clear
Sunday morningUp to 55°13° by 11 AM · Clear
Sunday afternoonUp to 64°18° by 2 PM · Clear
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Fri 7p | Clear | 49°9° (likely 47°8° to 49°9°) | 45°7° | 0% | 9 mph14 km/h from N, gusts 5 mph8 km/h | 48% | 0% | 0 |
| Fri 8p | Clear | 47°8° (likely 45°7° to 47°8°) | 43°6° | 0% | 8 mph13 km/h from N, gusts 3 mph5 km/h | 53% | 0% | 0 |
| Fri 9p | Clear | 46°8° (likely 44°7° to 46°8°) | 42°6° | 0% | 8 mph13 km/h from N, gusts 4 mph6 km/h | 56% | 0% | 0 |
| Fri 10p | Clear | 45°7° (likely 42°6° to 45°7°) | 41°5° | 0% | 8 mph13 km/h from N, gusts 5 mph8 km/h | 58% | 0% | 0 |
| Fri 11p | Clear | 44°7° (likely 41°5° to 44°7°) | 39°4° | 0% | 8 mph13 km/h from N, gusts 4 mph6 km/h | 60% | 0% | 0 |
| Sat 12a | Clear | 42°6° (likely 40°4° to 44°7°) | 38°3° | 0% | 7 mph11 km/h from N, gusts 4 mph6 km/h | 65% | 0% | 0 |
| Sat 1a | Clear | 41°5° (likely 39°4° to 41°5°) | 36°2° | 0% | 7 mph11 km/h from N, gusts 4 mph7 km/h | 65% | 0% | 0 |
| Sat 2a | Clear | 40°4° (likely 38°3° to 41°5°) | 36°2° | 0% | 6 mph10 km/h from N, gusts 6 mph9 km/h | 67% | 0% | 0 |
| Sat 3a | Clear | 39°4° (likely 37°3° to 40°4°) | 35°2° | 0% | 6 mph10 km/h from N, gusts 7 mph12 km/h | 70% | 0% | 0 |
| Sat 4a | Clear | 38°3° (likely 36°2° to 39°4°) | 34°1° | 0% | 6 mph10 km/h from N, gusts 7 mph11 km/h | 73% | 0% | 0 |
| Sat 5a | Clear | 37°3° (likely 36°2° to 39°4°) | 32°0° | 0% | 6 mph10 km/h from NW, gusts 7 mph11 km/h | 72% | 2% | 0 |
| Sat 6a | Clear | 36°2° (likely 36°2° to 38°3°) | 31°−1° | 0% | 6 mph10 km/h from NW, gusts 7 mph11 km/h | 75% | 2% | 0 |
| Sat 7a | Sunny | 35°2° (likely 35°2° to 37°3°) | 30°−1° | 0% | 6 mph10 km/h from NW, gusts 6 mph10 km/h | 82% | 27% | 0 |
| Sat 8a | Mostly sunny | 36°2° (likely 36°2° to 38°3°) | 32°0° | 0% | 5 mph8 km/h from NW, gusts 6 mph10 km/h | 79% | 20% | 0 |
| Sat 9a | Mostly sunny | 40°4° (likely 40°4° to 45°7°) | 37°3° | 0% | 5 mph8 km/h from NW, gusts 6 mph9 km/h | 67% | 16% | 1 |
| Sat 10a | Mostly sunny | 45°7° (likely 45°7° to 50°10°) | 43°6° | 0% | 5 mph8 km/h from NW, gusts 5 mph8 km/h | 53% | 9% | 2 |
| Sat 11a | Sunny | 50°10° (likely 50°10° to 54°12°) | 48°9° | 0% | 5 mph8 km/h from NW, gusts 6 mph10 km/h | 44% | 0% | 3 |
| Sat 12p | Sunny | 54°12° (likely 52°11° to 56°13°) | 54°12° | 0% | 6 mph10 km/h from NW, gusts 6 mph9 km/h | 38% | 0% | 3 |
| Sat 1p | Sunny | 56°13° (likely 54°12° to 58°14°) | 56°13° | 0% | 6 mph10 km/h from NW, gusts 7 mph10 km/h | 37% | 0% | 4 |
| Sat 2p | Sunny | 58°14° (likely 55°13° to 59°15°) | 58°14° | 0% | 6 mph10 km/h from NW, gusts 8 mph13 km/h | 34% | 0% | 4 |
| Sat 3p | Sunny | 58°14° (likely 55°13° to 59°15°) | 58°14° | 0% | 5 mph8 km/h from NW, gusts 7 mph11 km/h | 34% | 0% | 3 |
| Sat 4p | Sunny | 58°14° (likely 55°13° to 58°14°) | 58°14° | 0% | 5 mph8 km/h from NW, gusts 6 mph10 km/h | 36% | 0% | 2 |
| Sat 5p | Sunny | 57°14° (likely 53°12° to 57°14°) | 57°14° | 0% | 3 mph5 km/h from NW, gusts 5 mph8 km/h | 38% | 0% | 1 |
| Sat 6p | Clear | 54°12° (likely 50°10° to 54°12°) | 54°12° | 0% | 3 mph5 km/h from NW, gusts 6 mph9 km/h | 43% | 0% | 0 |
| Sat 7p | Clear | 51°11° (likely 47°8° to 51°11°) | 51°11° | 0% | 2 mph3 km/h from W, gusts 7 mph11 km/h | 50% | 0% | 0 |
| Sat 8p | Clear | 50°10° (likely 46°8° to 50°10°) | 50°10° | 0% | 2 mph3 km/h from SW, gusts 7 mph12 km/h | 54% | 0% | 0 |
| Sat 9p | Clear | 48°9° (likely 46°8° to 48°9°) | 48°9° | 0% | 2 mph3 km/h from W, gusts 7 mph12 km/h | 58% | 0% | 0 |
| Sat 10p | Clear | 47°8° (likely 45°7° to 47°8°) | 47°8° | 0% | 2 mph3 km/h from W, gusts 7 mph11 km/h | 63% | 0% | 0 |
| Sat 11p | Clear | 46°8° (likely 44°7° to 46°8°) | 46°8° | 0% | 2 mph3 km/h from W, gusts 6 mph10 km/h | 65% | 0% | 0 |
| Sun 12a | Clear | 45°7° (likely 43°6° to 45°7°) | 45°7° | 0% | 2 mph3 km/h from W, gusts 5 mph9 km/h | 68% | 0% | 0 |
| Sun 1a | Clear | 43°6° (likely 41°5° to 43°6°) | 41°5° | 0% | 3 mph5 km/h from W, gusts 6 mph10 km/h | 70% | 0% | 0 |
| Sun 2a | Clear | 42°6° (likely 40°4° to 42°6°) | 40°4° | 0% | 3 mph5 km/h from W, gusts 7 mph12 km/h | 70% | 0% | 0 |
| Sun 3a | Clear | 40°4° (likely 39°4° to 41°5°) | 38°3° | 0% | 3 mph5 km/h from NW, gusts 7 mph12 km/h | 76% | 0% | 0 |
| Sun 4a | Clear | 39°4° (likely 38°3° to 41°5°) | 36°2° | 0% | 5 mph8 km/h from NW, gusts 7 mph12 km/h | 76% | 0% | 0 |
| Sun 5a | Clear | 38°3° (likely 37°3° to 40°4°) | 34°1° | 0% | 5 mph8 km/h from NW, gusts 7 mph11 km/h | 79% | 0% | 0 |
| Sun 6a | Clear | 38°3° (likely 36°2° to 40°4°) | 34°1° | 0% | 5 mph8 km/h from NW, gusts 7 mph11 km/h | 79% | 0% | 0 |
| Sun 7a | Sunny | 39°4° (likely 36°2° to 39°4°) | 37°3° | 0% | 3 mph5 km/h from NW, gusts 6 mph10 km/h | 79% | 0% | 0 |
| Sun 8a | Sunny | 41°5° (likely 37°3° to 41°5°) | 39°4° | 0% | 3 mph5 km/h from NW, gusts 5 mph8 km/h | 76% | 0% | 0 |
| Sun 9a | Sunny | 45°7° (likely 42°6° to 47°8°) | 44°7° | 0% | 3 mph5 km/h from W, gusts 4 mph7 km/h | 73% | 0% | 1 |
| Sun 10a | Sunny | 50°10° (likely 49°9° to 53°12°) | 50°10° | 0% | 2 mph3 km/h from W, gusts 5 mph8 km/h | 63% | 0% | 2 |
| Sun 11a | Sunny | 55°13° (likely 54°12° to 58°14°) | 55°13° | 0% | 2 mph3 km/h from W, gusts 5 mph8 km/h | 51% | 0% | 3 |
| Sun 12p | Sunny | 59°15° (likely 59°15° to 61°16°) | 59°15° | 0% | 2 mph3 km/h from SW, gusts 5 mph9 km/h | 44% | 0% | 4 |
| Sun 1p | Sunny | 62°17° (likely 59°15° to 63°17°) | 62°17° | 0% | 3 mph5 km/h from SW, gusts 7 mph11 km/h | 39% | 0% | 4 |
| Sun 2p | Sunny | 64°18° (likely 59°15° to 64°18°) | 64°18° | 0% | 5 mph8 km/h from S, gusts 7 mph12 km/h | 38% | 0% | 4 |
| Sun 3p | Sunny | 64°18° (likely 58°14° to 65°18°) | 64°18° | 0% | 5 mph8 km/h from S, gusts 8 mph13 km/h | 41% | 0% | 3 |
| Sun 4p | Sunny | 63°17° (likely 57°14° to 65°18°) | 63°17° | 0% | 5 mph8 km/h from S, gusts 8 mph13 km/h | 46% | 0% | 2 |
| Sun 5p | Sunny | 61°16° (likely 54°12° to 63°17°) | 61°16° | 0% | 5 mph8 km/h from S, gusts 7 mph12 km/h | 51% | 0% | 1 |
| Sun 6p | Clear | 59°15° (likely 50°10° to 59°15°) | 59°15° | 0% | 5 mph8 km/h from S, gusts 7 mph11 km/h | 55% | 0% | 0 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 23. Sunny. High 56°13°, low 35°2°. Typical 60°16° / 45°7°. Dry. Forecasts agree.
Evening
6 PM–midnight
Clear, 47°8°Dry
Overnight
midnight–6 AM
Clear, 37°3°Dry
Official NWS forecast
Tonight: Clear, with a low around 35. North wind 6 to 9 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 54°12°–56°13°
- Low, likely
- 35°2°–41°5°
- Typical high / low
- 60°16° / 45°7°
- Wind
- 16 mph25 km/h, gusts 29 mph47 km/h
- UV peak
- 4
Tomorrow, Oct 24. Sunny. High 59°15°, low 37°3°. Typical 59°15° / 45°7°. Dry. Mostly agree.
Morning
6 AM–noon
Mostly sunny, 36°2°Dry
Afternoon
noon–6 PM
Sunny, 58°14°Dry
Evening
6 PM–midnight
Clear, 50°10°Dry
Overnight
midnight–6 AM
Clear, 38°3°Dry
Official NWS forecast
Day: Areas of frost before 9am. Sunny, with a high near 59. Northwest wind around 6 mph.
Night: Clear, with a low around 37. West wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 55°13°–59°15°
- Low, likely
- 35°2°–37°3°
- Typical high / low
- 59°15° / 45°7°
- Wind
- 6 mph10 km/h
- UV peak
- 4
Sunday, Oct 25. Sunny. High 64°18°, low 42°6°. Typical 59°15° / 44°7°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 41°5°Dry
Afternoon
noon–6 PM
Sunny, 64°18°Dry
Evening
6 PM–midnight
Clear, 51°11°Dry
Overnight
midnight–6 AM
Clear, 43°6°Dry
Official NWS forecast
Day: Sunny, with a high near 64. Southwest wind around 5 mph.
Night: Clear, with a low around 42. Southwest wind around 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 60°16°–65°18°
- Low, likely
- 35°2°–42°6°
- Typical high / low
- 59°15° / 44°7°
- Wind
- 8 mph13 km/h, gusts 15 mph24 km/h
- UV peak
- 4
Monday, Oct 26. Partly sunny. High 66°19°, low 45°7°. Typical 59°15° / 44°7°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 44°7°Dry
Afternoon
noon–6 PM
Sunny, 67°19°Dry
Evening
6 PM–midnight
Clear, 57°14°Dry
Overnight
midnight–6 AM
Clear, 45°7°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 66. Southwest wind 3 to 7 mph.
Night: Mostly clear, with a low around 45. Northwest wind 3 to 10 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 64°18°–70°21°
- Low, likely
- 41°5°–45°7°
- Typical high / low
- 59°15° / 44°7°
- Wind
- 11 mph17 km/h, gusts 20 mph32 km/h
- UV peak
- 4
Tuesday, Oct 27. Mostly sunny. High 52°11°, low 37°3°. Typical 58°14° / 44°7°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 44°7°Dry
Afternoon
noon–6 PM
Sunny, 52°11°Dry
Evening
6 PM–midnight
Clear, 43°6°Dry
Overnight
midnight–6 AM
Clear, 36°2°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 52. Northeast wind 6 to 13 mph.
Night: Mostly clear, with a low around 37. Northeast wind around 6 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 52°11°–54°12°
- Low, likely
- 37°3°–41°5°
- Typical high / low
- 58°14° / 44°7°
- Wind
- 11 mph18 km/h, gusts 24 mph38 km/h
- UV peak
- 4
Wednesday, Oct 28. Partly sunny. High 52°11°, low 42°6°. Typical 58°14° / 44°7°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 35°2°Dry
Afternoon
noon–6 PM
Sunny, 51°10°Dry
Evening
6 PM–midnight
Mostly clear, 44°7°Dry
Overnight
midnight–6 AM
Cloudy, 41°5°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 52. East wind around 6 mph.
Night: Partly cloudy, with a low around 42. South wind around 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 49°9°–52°11°
- Low, likely
- 32°0°–42°6°
- Typical high / low
- 58°14° / 44°7°
- Wind
- 8 mph14 km/h, gusts 14 mph23 km/h
- UV peak
- 4
Thursday, Oct 29. Partly sunny. High 60°16°, low 50°10°. Typical 58°14° / 43°6°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 43°6°Dry
Afternoon
noon–6 PM
Sunny, 61°16°Dry
Evening
6 PM–midnight
Clear, 54°12°Dry
Overnight
midnight–6 AM
Clear, 51°10°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 60. Southwest wind 6 to 10 mph.
Night: Partly cloudy, with a low around 50. Southwest wind around 10 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 60°16°–63°17°
- Low, likely
- 39°4°–50°10°
- Typical high / low
- 58°14° / 43°6°
- Wind
- 12 mph19 km/h, gusts 31 mph50 km/h
- UV peak
- 4
Friday, Oct 30. Partly sunny. High 64°18°, low 49°9°. Typical 57°14° / 43°6°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 50°10°Dry
Afternoon
noon–6 PM
Sunny, 66°19°Dry
Evening
6 PM–midnight
Clear, 54°12°Dry
Overnight
midnight–6 AM
Clear, 48°9°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 64. Southwest wind around 10 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 64°18°–69°21°
- Low, likely
- 46°8°–51°11°
- Typical high / low
- 57°14° / 43°6°
- Wind
- 11 mph17 km/h, gusts 28 mph45 km/h
- UV peak
- 4
Saturday, Oct 31. Cloudy. High 59°15°, low 46°8°. Typical 57°14° / 43°6°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 48°9°Dry
Afternoon
noon–6 PM
Sunny, 58°15°Dry
Evening
6 PM–midnight
Clear, 51°10°Dry
Overnight
midnight–6 AM
Cloudy, 49°9°Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 57°14°–62°17°
- Low, likely
- 45°7°–48°9°
- Typical high / low
- 57°14° / 43°6°
- Wind
- 11 mph18 km/h
- UV peak
- 3
Sunday, Nov 1. Cloudy. High 59°15°, low 49°9°. Typical 57°14° / 42°6°. Rain 0.01 in0.3 mm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 50°10°Dry
Afternoon
noon–6 PM
Cloudy, 57°14°Dry
Evening
6 PM–midnight
Cloudy, 53°12°20% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 55°13°–62°17°
- Low, likely
- 44°7°–52°11°
- Typical high / low
- 57°14° / 42°6°
- Wind
- 11 mph18 km/h, gusts 23 mph37 km/h
- UV peak
- 2
The outlook
Today
Dry, high 56°, low 35°.
Tomorrow
Dry, high 59°, low 37°, warming up.
Sunday
Dry, high 64°, low 42°, warming up.
Rest of week
Mostly dry, highs 52–66°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (BOX) (opens in a new tab)
What changed since yesterday
No meaningful changes from yesterday’s forecast.
Radar
Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view
Rivers
NOAA river gauges within 25 mi
Below flood stage
Atlantic Coast at Gloucester (IN MLLW)
14 mi- Level
- 4.2 ft
Forecast peak 10.0 ft Mon 12 PM
Reading from Fri 6:18 PM · NWS gauge page
Shawsheen River at Wilmington
17 mi- Level
- 2.2 ft
- Flow
- 15 cfs
Forecast peak 2.2 ft Fri 8 PM
Reading from Fri 5:30 PM · NWS gauge page
Shawsheen River at Andover
18 mi- Level
- 23.8 ft
- Flow
- 22 cfs
Forecast peak 23.8 ft Fri 8 PM
Reading from Fri 6:30 PM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 64% less heating than a typical week.
This week 34Typical 95
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 27
- h below 17°F
- 0
- h below 5°F
- 0
47, 17 and 5°F are the test points heat pumps are rated at. About 1 hours are near freezing and damp, when outdoor units defrost more often.
Comfort
Dry air outside (dew point 31°F).
Open the windows?
Sun, 1:00 PM–5:00 PM
Good stretch to open the windows (air quality forecast not available for part of this window).
Is this typical?
Boston Area · official normals 1991–2020 · records 1872–2026
Oct 23, today vs a typical year
Today’s expected high is 4°2° colder than typical.
- Normal high / low
- 60°16° / 45°7°
- Forecast high / low
- 56°13° / 35°2°
- Record high
- 84°29° in 1947
- Record low
- 29°−2° in 1883
Last 7 days vs normal
On average 3°2° colder than normal (daily mean temperature).
- −4°−2°SatOct 17
- −9°−5°SunOct 18
- −5°−3°MonOct 19
- ±0°TueOct 20
- −2°−1°WedOct 21
- +3°+2°ThuOct 22
- —FriOct 23
Salem weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:06 AM, sunset 5:49 PM.
- Daylight
- 10 h 43 min
- Losing 2 min 44 s a day; shortest Dec 21, 1 h 39 min less
- Golden hour
- 5:09–6:06 PM
- Morning 6:48–7:45 AM
- Blue hour
- 6:06–6:17 PM
- Morning 6:37–6:48 AM; first light 6:37 AM
Stars tonight? Good
Clear 7:09 PM–6:38 AM; moon 95% lit, sets 5:16 AM.
Moon
Waxing gibbous
94% lit · growing
- Today
- sets 4:05 AM · rises 4:22 PM
- Full moon
- Oct 26
- New moon
- Nov 9
