Home / Needham / 2 September 2017
Needham
United States · 2 September 2017
← 1 September 20173 September 2017 →
Average
14.8°C
low 8.5°C · high 20.9°C
Rainfall
0mm
dry day
Wind
2.2m/s
daily average
Humidity
56.5%
daily average
Cloud
56%
cover
Pressure
1023hPa
daily average
The temperature ranged from 8.5°C around 06:00 to 20.9°C around 16:00. No measurable rain was recorded during the day.
How unusual was this day?
Compared against the same 135 calendar days (±7 days) across the other 9 years on file.
High temperature
6th percentile
Low temperature
0th percentile
Rainfall
45th percentile
Wind
30th percentile
A percentile of 100 means this was the hottest/wettest/windiest of the comparable days on file; 50 is right in the middle. This window's average temperature was 20.9°C, versus 14.8°C on this specific day.
Sun & daylight
Sunrise
06:11
Sunset
19:16
Day length
13h 5m
Hour by hour
Temperature (line) and hourly rainfall (bars), local time — America/New_York.
Cumulative rainfall through the day.
| Local time | UTC | Temp | Feels | Rain mm | Wind m/s | Dir | Humidity % | Pressure hPa |
|---|---|---|---|---|---|---|---|---|
| 00:00 | 04:00 | 11.3°C | 8.6°C | 0 | 1.9 | NW | 59 | 1022 |
| 01:00 | 05:00 | 10.5°C | 8°C | 0 | 1.9 | NW | 66 | 1022 |
| 02:00 | 06:00 | 10.3°C | 7.6°C | 0 | 2.1 | WNW | 66 | 1022 |
| 03:00 | 07:00 | 9.8°C | 6.6°C | 0 | 2.6 | WNW | 66 | 1022 |
| 04:00 | 08:00 | 9.2°C | 5.8°C | 0 | 3 | WNW | 71 | 1022 |
| 05:00 | 09:00 | 8.8°C | 5.4°C | 0 | 3.1 | WNW | 72 | 1023 |
| 06:00 | 10:00 | 8.5°C | 4.9°C | 0 | 3.1 | NW | 70 | 1023 |
| 07:00 | 11:00 | 8.8°C | 5.2°C | 0 | 2.9 | WNW | 67 | 1024 |
| 08:00 | 12:00 | 11.1°C | 8.1°C | 0 | 2.6 | NW | 65 | 1024 |
| 09:00 | 13:00 | 13.8°C | 10.9°C | 0 | 2.8 | NW | 60 | 1024 |
| 10:00 | 14:00 | 16.3°C | 13.3°C | 0 | 2.6 | NNW | 46 | 1024 |
| 11:00 | 15:00 | 18.1°C | 15.7°C | 0 | 1.7 | NNW | 40 | 1024 |
| 12:00 | 16:00 | 19°C | 17.1°C | 0 | 0.8 | NNW | 38 | 1023 |
| 13:00 | 17:00 | 20°C | 18.4°C | 0 | 0.6 | WNW | 36 | 1023 |
| 14:00 | 18:00 | 20.5°C | 18.9°C | 0 | 0.6 | SW | 35 | 1022 |
| 15:00 | 19:00 | 20.8°C | 18.9°C | 0 | 1 | S | 35 | 1022 |
| 16:00 | 20:00 | 20.9°C | 18.8°C | 0 | 1.5 | S | 37 | 1022 |
| 17:00 | 21:00 | 20.2°C | 17.8°C | 0 | 2.2 | SSE | 41 | 1022 |
| 18:00 | 22:00 | 18.5°C | 16.9°C | 0 | 2.2 | SSE | 56 | 1022 |
| 19:00 | 23:00 | 16.9°C | 15.1°C | 0 | 2.6 | SE | 62 | 1022 |
| 20:00 | 00:00 | 16.1°C | 14.1°C | 0 | 2.8 | SE | 64 | 1022 |
| 21:00 | 01:00 | 15.8°C | 13.6°C | 0 | 2.9 | SSE | 65 | 1023 |
| 22:00 | 02:00 | 15.3°C | 13.2°C | 0 | 2.9 | S | 68 | 1023 |
| 23:00 | 03:00 | 14.9°C | 13.1°C | 0 | 2.7 | S | 72 | 1023 |
Nearby cities
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Data source & coverage — ERA5 reanalysis, 2016–2025 (10 years)details
- Source
- ERA5 reanalysis, accessed via the Copernicus Climate Change Service (C3S) Climate Data Store
- Data type
- Reanalysis — a physically consistent reconstruction combining a forecast model with historical observations, not a live station reading or a forecast
- Coverage
- 2016–2025 (10 years) for United States
- Location
- Needham — 42.250°, -71.250°, ERA5 grid cell center, 4.0 km from requested point
- Time zone
- America/New_York
- What's shown here
- The hourly and daily record for 2 September 2017 specifically — not a monthly average. See the Needham climate overview for typical conditions.
- Spatial resolution
- 0.25° (~25 km) distributed grid — ERA5's native model resolution is finer; this is the publicly distributed regridded product
- Version / refreshed
- Methodology v2026.07 · data last refreshed December 31, 2025
- Limitations
- A model reconstruction, not a station observation — hyper-local extremes (a single storm cell, an urban heat pocket) can differ from a nearby gauge. See the full methodology.
- Attribution
- Generated using Copernicus Climate Change Service information
Cite this data
PastClimate (2026-07-20). Historical climate data for Needham, United States (42.25°N, 71.25°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
PastClimate. (2026). Historical climate data for Needham, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 20, 2026, from https://www.pastclimate.com/
"Historical Climate Data for Needham, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 20, 2026, www.pastclimate.com.
@misc{pastclimate,
author = {PastClimate},
title = {Historical climate data for Needham, United States},
year = {2026},
note = {Derived from ERA5 (Hersbach et al., 2023), Copernicus Climate Change Service. Accessed 2026-07-20},
url = {https://www.pastclimate.com/}
}Notice something wrong with this data? Report a data issue.