Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 22

Waxing Crescent 35%

08:53

02:01

00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 OK
09 Good
10 OK
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 05:44, Set: 20:03, Transit: 12:53. Moon - Rise: 08:53, Set: 02:01. Civil Dark: 20:40 - 05:07. Nautical Dark: 21:26 - 04:21. Astro Dark: 22:20 - 03:27

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
10
17
13
15
7
0
0
0
0
0
0
1
3
10
5
5
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
10
17
13
15
7
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
10
5
5
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
10
12
12
12
12
13
13
15
15
15
16
18
17
17
17
16
15
15
14
12
12
10

Chance of Frost

Temperature (°C)

9
9
9
8
8
8
8
9
10
11
12
13
13
14
14
14
13
13
12
11
10
10
10
9

Feels Like (°C)

6
6
6
5
5
4
4
5
7
8
9
9
10
9
9
9
10
9
9
8
6
5
5
6

Dew Point (°C)

6
6
5
5
5
5
4
5
6
6
5
5
5
5
6
6
6
6
7
7
6
6
7
7

Relative Humidity (%)

82
82
77
78
78
78
78
78
76
68
63
59
58
57
58
58
61
64
73
75
74
78
82
87

Pressure (mb)

1025
1025
1025
1024
1024
1024
1025
1025
1025
1026
1026
1026
1027
1026
1026
1027
1027
1027
1027
1027
1027
1028
1028
1028

Ozone (du)

403
400
398
396
396
394
391
391
390
389
386
381
378
376
375
374
374
376
377
377
379
381
381
382

Thursday 23

Waxing Crescent 46%

10:16

02:45

00 Good
01 OK
02 OK
03 OK
04 Good
05 OK
06 Good
07 OK
08 OK
09 Bad
10 Bad
11 OK
12 OK
13 OK
14 OK
15 Bad
16 Bad
17 Bad
18 OK
19 Bad
20 Bad
21 OK
22 Bad
23 OK

Sun - Rise: 05:42, Set: 20:05, Transit: 12:53. Moon - Rise: 10:16, Set: 02:45. Civil Dark: 20:42 - 05:05. Nautical Dark: 21:28 - 04:19. Astro Dark: 22:22 - 03:24

Total Clouds (% Sky Obscured)

0
10
15
20
9
19
0
24
36
45
48
32
29
30
40
56
50
50
40
50
57
46
52
46

Low Clouds (% Sky Obscured)

0
0
0
0
9
19
0
24
36
45
48
32
29
30
40
56
50
50
40
50
57
46
52
46

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
10
15
20
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
7
7
7
7
7
7
10
13
13
14
14
14
14
14
14
14
13
12
10
9
9
9

Chance of Frost

Temperature (°C)

9
9
8
8
8
7
7
9
11
12
12
13
13
13
13
12
12
11
10
9
8
8
7
7

Feels Like (°C)

6
6
6
6
5
6
6
8
10
10
10
10
10
10
10
9
9
8
7
7
6
6
5
5

Dew Point (°C)

8
8
8
7
7
6
6
7
9
8
6
6
6
6
5
4
4
4
5
6
6
6
5
5

Relative Humidity (%)

93
93
95
93
95
93
93
91
84
73
65
63
61
60
59
57
57
63
71
78
82
85
85
85

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1030
1030
1031
1031
1031
1031
1031
1031
1030
1030
1030
1029
1029
1029
1029
1029
1029

Ozone (du)

383
382
383
385
388
392
396
399
400
400
399
397
393
388
385
382
380
377
373
370
369
369
369
369

Friday 24

First Quarter 58%

11:42

03:14

00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK
13 OK
14 OK
15 OK
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 05:39, Set: 20:07, Transit: 12:53. Moon - Rise: 11:42, Set: 03:14. Civil Dark: 20:43 - 05:03. Nautical Dark: 21:30 - 04:16. Astro Dark: 22:25 - 03:21

Total Clouds (% Sky Obscured)

47
50
47
68
72
72
70
63
65
70
65
51
43
40
27
16
2
0
0
1
2
4
11
18

Low Clouds (% Sky Obscured)

47
50
47
68
72
72
70
63
65
70
65
51
43
40
27
16
2
0
0
1
2
4
11
18

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
10
25
18
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
19
26
70
65
12
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
8
7
7
8
7
7
10
11
11
11
11
11
12
12
11
11
9
8
7
6
6
6

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
7
8
9
10
11
12
12
12
13
13
13
12
11
10
8
7
6
6

Feels Like (°C)

6
6
6
5
5
6
5
7
7
7
9
9
9
10
10
10
10
9
10
9
6
5
5
5

Dew Point (°C)

5
6
6
5
5
6
5
6
5
4
4
4
3
3
2
2
2
2
4
5
4
4
3
3

Relative Humidity (%)

87
90
91
91
91
91
91
88
77
67
62
58
55
51
47
47
47
50
62
71
79
81
82
85

Pressure (mb)

1029
1028
1028
1028
1028
1027
1027
1027
1027
1028
1028
1028
1027
1027
1027
1026
1025
1025
1025
1024
1025
1025
1025
1025

Ozone (du)

368
367
366
367
370
371
371
370
372
377
381
381
380
375
371
370
368
369
369
369
369
371
371
369

Saturday 25

Waxing Gibbous 68%

13:05

03:35

00 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 Good
12 Good
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 Bad
23 Bad

Sun - Rise: 05:38, Set: 20:08, Transit: 12:53. Moon - Rise: 13:05, Set: 03:35. Civil Dark: 20:45 - 05:01. Nautical Dark: 21:32 - 04:13. Astro Dark: 22:28 - 03:18

Total Clouds (% Sky Obscured)

26
42
57
73
84
92
96
75
57
45
26
16
12
24
34
40
26
42
42
27
21
32
50
66

Low Clouds (% Sky Obscured)

26
42
57
73
84
92
96
75
56
37
23
12
0
0
0
0
0
0
0
0
0
0
13
26

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
9

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
3
9
4
5
7
10
19
20
14
18
14
13
12
20
37
49

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
4
4
3
3
4
4
5
6
6
7
8
8
8
8
8
8
7
6
6
5
5

Chance of Frost

Temperature (°C)

5
5
5
5
4
4
4
5
7
9
11
12
13
14
15
15
15
14
13
11
9
8
7
7

Feels Like (°C)

4
4
4
4
3
3
3
4
5
7
8
10
11
11
11
12
12
11
10
9
7
6
4
4

Dew Point (°C)

3
3
3
2
2
2
2
1
2
1
1
2
2
2
3
3
4
5
6
7
5
4
4
5

Relative Humidity (%)

86
86
85
85
85
83
82
76
66
57
50
47
46
44
45
46
50
53
64
72
76
77
81
85

Pressure (mb)

1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1026
1026

Ozone (du)

367
365
364
361
359
359
359
360
358
357
357
357
356
356
358
358
358
358
359
357
356
356
357
358

Sunday 26

Waxing Gibbous 78%

14:25

03:50

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 Bad
23 Bad

Sun - Rise: 05:36, Set: 20:10, Transit: 12:53. Moon - Rise: 14:25, Set: 03:50. Civil Dark: 20:47 - 04:58. Nautical Dark: 21:35 - 04:11. Astro Dark: 22:31 - 03:14

Total Clouds (% Sky Obscured)

87
91
95
100
100
100
100
99
99
99
99
100
98
95
88
83
82
80
69
59
51
34
40
50

Low Clouds (% Sky Obscured)

40
52
64
72
67
61
53
54
57
60
59
58
60
57
57
54
50
45
37
24
12
0
0
0

Medium Clouds (% Sky Obscured)

14
28
47
91
100
97
100
96
92
89
92
87
90
83
67
53
46
42
35
37
33
29
15
9

High Clouds (% Sky Obscured)

67
78
89
100
100
100
100
77
54
34
53
77
98
81
63
45
62
78
69
59
50
29
37
44

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
6
6
6
6
6
7
8
9
10
10
10
10
10
10
10
10
9
9
8
7
6
5

Chance of Frost

Temperature (°C)

7
7
7
7
8
8
8
8
9
10
11
11
12
12
12
12
11
11
10
9
8
7
6
6

Feels Like (°C)

4
4
4
4
5
5
4
5
6
6
7
7
7
8
8
8
8
9
8
9
6
6
6
6

Dew Point (°C)

6
6
6
6
7
7
7
7
6
6
6
6
5
6
5
5
5
5
5
5
5
5
4
5

Relative Humidity (%)

88
90
91
93
94
96
94
88
80
74
71
68
65
64
63
64
64
68
72
77
81
85
88
90

Pressure (mb)

1026
1026
1026
1026
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028

Ozone (du)

360
362
364
365
367
367
368
370
370
370
374
374
371
371
373
375
377
376
376
375
374
373
373
372

Monday 27

Waxing Gibbous 86%

15:42

04:03

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 OK
12 Bad
13 OK
14 OK
15 Good
16 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:34, Set: 20:12, Transit: 12:53. Moon - Rise: 15:42, Set: 04:03. Civil Dark: 20:49 - 04:56. Nautical Dark: 21:37 - 04:08. Astro Dark: 22:34 - 03:11

Total Clouds (% Sky Obscured)

60
56
50
45
49
54
60
61
53
47
47
48
48
32
16
0
32
51
75
66
58
53
59
70

Low Clouds (% Sky Obscured)

0
0
0
0
10
18
25
18
9
0
0
0
0
0
0
0
21
41
62
53
44
35
51
68

Medium Clouds (% Sky Obscured)

4
6
9
11
9
6
4
7
8
8
17
26
35
26
15
0
7
11
14
7
2
0
0
0

High Clouds (% Sky Obscured)

49
50
47
44
39
38
36
19
5
5
5
0
0
5
5
0
14
18
17
17
25
29
37
36

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
3
3
3
3
4
5
5
6
8
9
10
11
11
11
11
10
10
11
11
10
9
8
9

Chance of Frost

Temperature (°C)

6
6
6
6
6
6
7
7
9
10
11
12
12
13
13
13
13
12
12
12
11
10
9
9

Feels Like (°C)

5
5
3
4
4
3
2
3
5
5
5
6
7
7
9
8
8
8
9
9
6
5
5
5

Dew Point (°C)

4
4
4
5
5
5
5
5
5
6
6
6
6
6
7
7
7
7
8
8
8
7
6
7

Relative Humidity (%)

90
90
90
91
91
90
87
84
80
73
68
66
65
64
65
65
66
70
73
79
80
81
84
87

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

372
372
371
370
369
369
370
371
372
372
373
374
374
375
376
376
377
378
380
381
382
383
384
385

Tuesday 28

Waxing Gibbous 92%

16:56

04:14

Sun - Rise: 05:32, Set: 20:13, Transit: 12:52. Moon - Rise: 16:56, Set: 04:14. Civil Dark: 20:51 - 04:54. Nautical Dark: 21:39 - 04:06. Astro Dark: 22:38 - 03:07

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Herne, Kent, United Kingdom (51.35,1.12)

Generated: 22/04/26 00:35:18. Forecast: 22/04/26 to 28/04/26. Timezone: UTC+1.00