Waltham weather — 10-day forecast
Temperature, rain, wind and feels-like in Waltham, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 00:00 · NOAA HRRR model
3 °C
Clear sky
Feels like -2 °C
Next 12 h
- 002°
- 012°
- 022°
- 031°
- 041°
- 051°
- 061°
- 071°
- 07:02Sunrise
- 082°
- 094°
- 107°
- 118°
- 1210°
↓ 1°07:00↑ 10°12:00
- Humidity
- 70 %
- Dew point
- -2 °C
- Gusts
- 21.0 km/h
- Clouds
- 0 %
- Pressure
- 1,030 hPa ↑
Grid point 1.5 km away · 3.0 km grid · elevation 28 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 35.0µg/m³
- PM2.5
- 5.8µg/m³
- PM10
- 7.0µg/m³
- Nitrogen dioxide
- 11.6µg/m³
- Sulphur dioxide
- 0.6µg/m³
- Carbon monoxide
- 164.0µg/m³
- Dust (AOD)
- 0.00
Generated using Copernicus Atmosphere Monitoring Service information
Hour by hour
Step-by-step detail: temperature, wind, cloud cover and ultraviolet.
10 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Clear sky
5°
3°
Sun
Clear sky
13°
1°
Mon
Overcast
13°
3°
Tue
Overcast
15°
6°
Wed
Overcast12 %
11°
6°
Thu
Light drizzle12 %
12°
8°
Fri
Clear sky
10°
5°
Sat
Light drizzle1 mm
8°
2°
Sun
Mainly clear
15°
4°
Mon
Mainly clear
19°
7°
Gusts · Fri 51.8 km/h
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 07:01
- Daylight
- 10 h 59
- Sunset
- 18:00
Radiation · 0.0 MJ/m²
Sea state
Sea state at the marine grid point closest to the city.
Significant height: the mean of the highest third of waves. Individual waves reach about twice it.
Data: ECMWF
Today in Waltham the mean temperature will be 3.6 °C — -7.7 °C against the normal for 17 October, measured from 1940 to 2026. (1,290 obs.)