Home / Needham / 7 September 2018
Needham
United States · 7 September 2018
← 6 September 20188 September 2018 →
Average
20.3°C
low 17.5° · high 23°
Rainfall
4mm
rain recorded
Wind
2.2m/s
daily average
Humidity
75.2%
daily average
Cloud
96%
cover
Pressure
1021hPa
daily average
The temperature ranged from 17.5°C around 23:00 to 23°C around 00:00. Rain was recorded across 9 hours, from around 03:00 to 16:00 (4mm total).
How unusual was this day?
Compared against the same 135 calendar days (±7 days) across the other 9 years on file.
High temperature
33th percentile
Low temperature
73th percentile
Rainfall
81th percentile
Wind
29th 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 19.8°C, versus 20.3°C on this specific day.
Sun & daylight
Sunrise
06:16
Sunset
19:08
Day length
12h 52m
Hour by hour
Temperature (line) and hourly rainfall (bars), local time — America/New_York.
Cumulative rainfall through the day.
| Local time | UTC | Temp °C | Feels °C | Rain mm | Wind m/s | Dir | Humidity % | Pressure hPa |
|---|---|---|---|---|---|---|---|---|
| 00:00 | 04:00 | 23 | 25.2 | 0 | 1.6 | NW | 79 | 1020 |
| 01:00 | 05:00 | 22.6 | 24.4 | 0 | 1.9 | NNW | 78 | 1021 |
| 02:00 | 06:00 | 22.6 | 24.1 | 0 | 2.4 | NNW | 79 | 1021 |
| 03:00 | 07:00 | 22.2 | 23.2 | 0.56 | 2.8 | N | 78 | 1021 |
| 04:00 | 08:00 | 21.2 | 21.2 | 0.8 | 3.3 | NNE | 75 | 1022 |
| 05:00 | 09:00 | 20.6 | 19.5 | 0.89 | 3.7 | NE | 69 | 1022 |
| 06:00 | 10:00 | 17.9 | 17 | 0.61 | 3.6 | NE | 83 | 1023 |
| 07:00 | 11:00 | 18.1 | 17.3 | 0.21 | 3.3 | NE | 80 | 1023 |
| 08:00 | 12:00 | 18.6 | 18 | 0.13 | 3 | NE | 78 | 1023 |
| 09:00 | 13:00 | 19.4 | 19.1 | 0.04 | 2.8 | NE | 76 | 1023 |
| 10:00 | 14:00 | 20.5 | 19.9 | 0 | 2.8 | NE | 67 | 1023 |
| 11:00 | 15:00 | 21.4 | 20.8 | 0 | 2.8 | NE | 63 | 1023 |
| 12:00 | 16:00 | 21.9 | 21.2 | 0.01 | 3 | ENE | 62 | 1023 |
| 13:00 | 17:00 | 22.2 | 21.7 | 0.07 | 2.5 | ENE | 60 | 1022 |
| 14:00 | 18:00 | 21.5 | 21.5 | 0.18 | 2.1 | E | 64 | 1022 |
| 15:00 | 19:00 | 21.5 | 21.8 | 0.22 | 1.7 | ESE | 64 | 1021 |
| 16:00 | 20:00 | 21 | 21.5 | 0.21 | 1.4 | SE | 66 | 1021 |
| 17:00 | 21:00 | 20.6 | 21 | 0.05 | 1.5 | SE | 69 | 1020 |
| 18:00 | 22:00 | 19.8 | 21.2 | 0 | 1 | SSE | 80 | 1020 |
| 19:00 | 23:00 | 19.3 | 20.7 | 0 | 0.9 | S | 81 | 1020 |
| 20:00 | 00:00 | 18.5 | 19.6 | 0 | 1.2 | S | 84 | 1020 |
| 21:00 | 01:00 | 18 | 19 | 0 | 1.2 | SSW | 85 | 1020 |
| 22:00 | 02:00 | 17.7 | 18.8 | 0 | 1.2 | SSW | 90 | 1020 |
| 23:00 | 03:00 | 17.5 | 18.7 | 0 | 1.2 | SW | 93 | 1020 |
Nearby cities
Need this verified for an official or legal purpose? Request a weather verification report.
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 7 September 2018 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 (2026-07-18). 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 18, 2026, from https://www.pastclimate.com/
"Historical Climate Data for Needham, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 18, 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 2026-07-18},
url = {https://www.pastclimate.com/}
}Notice something wrong with this data? Report a data issue.