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Weather diary for students
Units of measurement
Cloudiness:
Percents
1/10
oktas
Precipitation:
millimeters (mm) / centimetres (cm)
inches
Temperature:
degrees Celsius (°C)
degrees Fahrenheit (°F)
Pressure:
millimeters of mercury (mmHg)
inches of mercury (inHg)
millibars (mbar)
hectopascals (hPa)
Wind:
meters per second (m/s)
kilometers per hour (km/h)
miles per hour (mph)
knots
Beaufort number (Bft)
For the "Weather archive" pages only
Horizontal visibility (VV):
kilometres
miles
Height of the base of the lowest clouds (H):
metres
feet
Snow depth (sss):
centimetres
inches
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Weather archive in Saint Helier
See on map
Weather archive at the airport ( 8 km,
+17 °C
+63 °F
)
Weather forecast
weather station number
, observations since July 10, 2010
View weather archive
Download weather archive
Weather statistics
Period end date:
Selection period:
1 day
7 days
30 days
Select
To receive explanations, hover over the appropriate heading
Date
/ Local time
T
Po
P
Pa
U
DD
Ff
ff10
ff3
N
WW
W1
W2
Tn
Tx
Cl
Nh
H
Cm
Ch
VV
Td
RRR
tR
E
Tg
E'
sss
2026
July 7,
Tuesday
19
28.1
83
30.6
87
No precipitation
No precipitation
12
07
18.1
65
17.3
63
No precipitation
No precipitation
12
1.
Date range:
—
2.
Select within the date range:
all days
only month
July
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
only date
8 July
January
February
March
April
May
June
July
August
September
October
November
December
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
3.
Format:
XLS (Excel)
CSV (plain text)
4.
Encoding:
ANSI
UTF-8
Unicode
Select to file GZ (archive)
1.
Date range:
—
2.
Select within the date range:
all days
only month
July
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
only date
8 July
January
February
March
April
May
June
July
August
September
October
November
December
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
only at the time of observation
-time---
07:00 (06:00 UTC)
10:00 (09:00 UTC)
19:00 (18:00 UTC)
22:00 (21:00 UTC)
3.
Selection parameters:
T
P0
P
U
DD
FF
FF10
FF3
Tn
Tx
Nh
H
VV
RRR
sss
Calculate
0
