Location & Surroundings
Upper Mill Brook is a nature reserve in Massachusetts, United States, at 48 m elevation. The nearest larger town is Wayland, 2 km to the southwest. The national capital Washington is about 615 km to the southwest. The nearest airport is Sudbury Airport, 8 km away.
Basic Data
- Type nature reserve (RESN)
- an area reserved for the maintenance of a natural habitat
Geography
-
Coordinates
42° 22' 54" N, 71° 20' 50" W
- Elevation DEM: 48 m
- Timezone America/New_York
- Time Shift GMT -5 (DST -4)
Statistics & Country
- Pop. Density 302 p/km²
- Built-up 3.3%
- Settlement Suburban / peri-urban
- Currency Dollar (USD)
- Phone Prefix +1
Sun & Local Time
- Local time 07:43
- Sunrise 06:28
- Sunset 18:49
- Day length 12 h 21 min
Other nature reserves nearby
Nearby
Weather in Upper Mill Brook
Current conditions and a 3-day (72-hour) weather forecast for Upper Mill Brook, updated from the NOAA GFS model.
Now 13.7 C with overcast skies and a 2.3 m/s northerly wind. Next 24h: 9.0 to 18.6 C, max wind 2.5 m/s. No precipitation expected. Solar peaks near 580 W/m2.
Temperature
13.7 C
Wind
2.3 m/s N (340 deg)
Humidity
56 %
Pressure
1,019.9 hPa
Clouds
97 %
Precip
0.00 mm
Solar
0.0 W/m2
UV-B
n/a
| Hour | Temp (C) | Wind (m/s) | Dir (deg) | RH (%) | Pressure (hPa) | Precip (step/total mm) | Clouds (%) | Solar (W/m2) | UV-B (W/m2) |
|---|---|---|---|---|---|---|---|---|---|
| NOW | 13.7 | 2.3 | 340 | 56 | 1,019.9 | - / 0.00 | 97 | 0.0 | n/a |
| 6h | 12.1 | 2.0 | 17 | 61 | 1,022.7 | 0.00 / 0.00 | 5 | 23.7 | n/a |
| 12h | 18.6 | 2.1 | 113 | 38 | 1,021.6 | 0.00 / 0.00 | 100 | 579.6 | n/a |
| 18h | 11.6 | 2.5 | 150 | 65 | 1,022.8 | 0.00 / 0.00 | 92 | 240.7 | n/a |
| Tomorrow | 9.0 | 1.3 | 202 | 75 | 1,022.3 | 0.00 / 0.00 | 100 | 0.0 | n/a |
| 30h | 11.6 | 1.6 | 142 | 75 | 1,021.1 | 0.00 / 0.00 | 100 | 4.3 | n/a |
| 36h | 13.4 | 1.8 | 127 | 83 | 1,017.7 | 0.32 / 0.32 | 100 | 73.1 | n/a |
| 42h | 13.5 | 1.8 | 91 | 99 | 1,015.7 | 9.59 / 9.91 | 100 | 10.2 | n/a |
| Monday | 13.0 | 3.7 | 358 | 99 | 1,015.8 | 0.00 / 4.22 | 100 | 0.0 | n/a |
| 54h | 11.7 | 2.9 | 7 | 96 | 1,019.3 | 0.00 / 0.20 | 100 | 2.4 | n/a |
| 60h | 18.1 | 3.5 | 65 | 55 | 1,020.6 | 0.00 / 0.00 | 81 | 329.8 | n/a |
| 66h | 11.3 | 1.5 | 113 | 82 | 1,022.9 | 0.00 / 0.00 | 98 | 240.0 | n/a |
| Tuesday | 9.5 | 2.0 | 15 | 90 | 1,024.9 | 0.00 / 0.00 | 99 | 0.0 | n/a |
Source: NOAA GFS 0.25° (run 2026-09-19 06:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Upper Mill Brook?
Now 13.7 C with overcast skies and a 2.3 m/s northerly wind. Next 24h: 9.0 to 18.6 C, max wind 2.5 m/s. No precipitation expected. Solar peaks near 580 W/m2.
Is precipitation expected in the next 24 hours?
No measurable precipitation is expected in the next 24 hours.
When are sunrise and sunset in Upper Mill Brook today?
Sunrise around 06:28 and sunset around 18:49 (local time). Day length about 12h 21m.
What is the local time in Upper Mill Brook?
Local time is 07:43. Time zone: America/New_York (UTC-04:00).
What type of place is Upper Mill Brook?
Upper Mill Brook is a nature reserve.
What is the elevation of Upper Mill Brook?
DEM 48 m.
Where is Upper Mill Brook located?
It is at 42.38167, -71.34717 (latitude, longitude).
Which country is Upper Mill Brook in?
It is in United States.