Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

Waxing Crescent 46%

10:16

03:14

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

Sun - Rise: 05:40, Set: 20:05, Transit: 12:53. Moon - Rise: 10:16, Set: 03:14. Civil Dark: 20:42 - 05:03. Nautical Dark: 21:28 - 04:17. Astro Dark: 22:22 - 03:22

Total Clouds (% Sky Obscured)

8
13
18
29
27
25
19
32
26
37
41
58
51
47
44
53
59
67
50
52
57
72
78
77

Low Clouds (% Sky Obscured)

8
13
18
29
27
25
19
32
26
37
41
58
51
47
44
53
59
67
50
52
57
72
78
77

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
0
0
0
0
1
1

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)

9
11
13
14
14
14
14
15
15
14
14
13
12
11
10
9
9
9
8
8
7
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
86
72
65
63
60
60
59
60
61
64
72
81
88
91
90
88
88
88
88
90
88
88
88

Pressure (mb)

1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1027
1027
1027

Ozone (du)

392
394
399
402
400
400
399
395
390
386
383
381
379
378
376
375
374
373
372
372
373
375
377
380

Friday 24

First Quarter 58%

11:42

03:35

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

Sun - Rise: 05:38, Set: 20:07, Transit: 12:53. Moon - Rise: 11:42, Set: 03:35. Civil Dark: 20:43 - 05:01. Nautical Dark: 21:30 - 04:14. Astro Dark: 22:25 - 03:18

Total Clouds (% Sky Obscured)

73
64
63
63
65
59
53
38
0
0
0
0
0
41
53
62
64
65
81
81
80
71
73
75

Low Clouds (% Sky Obscured)

73
64
63
63
65
59
53
38
0
0
0
0
0
41
53
62
64
65
80
81
80
71
73
75

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)

2
1
2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
17
13
10
2
2
5

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
76
76
76
76
76

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
77
67
61
57
55
54
54
53
53
55
65
73
84
85
87
86
86
86
85
85
85
85
83

Pressure (mb)

1027
1027
1028
1028
1027
1027
1027
1026
1026
1025
1025
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1022

Ozone (du)

382
385
387
389
390
390
391
393
396
399
401
401
400
394
383
378
375
371
368
366
363
363
363
361

Saturday 25

Waxing Gibbous 68%

13:06

03:50

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 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:36, Set: 20:08, Transit: 12:53. Moon - Rise: 13:06, Set: 03:50. Civil Dark: 20:45 - 04:59. Nautical Dark: 21:32 - 04:11. Astro Dark: 22:28 - 03:15

Total Clouds (% Sky Obscured)

75
75
61
56
93
85
100
100
100
100
99
100
100
100
100
100
98
100
96
92
88
90
93
96

Low Clouds (% Sky Obscured)

75
73
50
47
34
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
9

Medium Clouds (% Sky Obscured)

0
0
0
0
14
25
6
28
35
25
18
18
25
32
27
92
97
100
96
92
88
72
55
29

High Clouds (% Sky Obscured)

3
23
32
22
84
75
100
100
100
100
99
100
100
100
99
100
94
100
82
65
43
30
20
9

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 (%)

76
1
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)

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

Chance of Frost

Temperature (°C)

6
8
9
11
13
14
15
16
16
15
14
14
12
10
9
9
8
8
8
8
8
7
7
7

Feels Like (°C)

6
8
7
9
11
13
13
13
13
12
12
12
10
8
6
6
5
5
5
5
5
5
5
5

Dew Point (°C)

4
3
3
3
3
3
3
3
3
2
2
5
4
1
-2
-3
-4
-3
-1
2
4
5
5
5

Relative Humidity (%)

82
73
63
57
51
46
43
42
41
42
43
54
59
50
46
43
43
46
52
65
75
82
87
88

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1025
1025

Ozone (du)

360
359
360
361
361
361
363
362
363
363
364
363
362
362
362
363
366
366
367
370
371
370
368
370

Sunday 26

Waxing Gibbous 78%

14:26

04:03

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

Sun - Rise: 05:34, Set: 20:10, Transit: 12:53. Moon - Rise: 14:26, Set: 04:03. Civil Dark: 20:47 - 04:57. Nautical Dark: 21:34 - 04:09. Astro Dark: 22:31 - 03:12

Total Clouds (% Sky Obscured)

75
55
37
29
19
13
38
65
92
100
98
100
100
99
100
100
100
100
93
85
76
83
90
95

Low Clouds (% Sky Obscured)

19
28
37
27
15
4
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
3
7
11

Medium Clouds (% Sky Obscured)

18
11
0
0
0
0
2
2
2
22
37
74
91
95
92
97
98
100
91
85
76
83
90
77

High Clouds (% Sky Obscured)

3
1
0
2
4
6
37
65
92
100
97
100
100
96
99
100
100
100
75
49
24
49
73
85

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
6
8
9
9
9
9
10
10
10
9
9
8
7
6
5
5
4
3
3
2
2
2
2

Chance of Frost

Temperature (°C)

8
10
12
13
14
15
15
15
15
14
13
12
11
10
9
8
8
8
7
7
8
8
8
8

Feels Like (°C)

6
9
11
12
11
13
14
14
13
12
10
10
8
7
6
5
5
5
5
6
6
6
7
6

Dew Point (°C)

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

Relative Humidity (%)

85
80
72
69
65
63
62
61
63
66
66
71
81
85
88
90
87
85
81
81
77
74
71
74

Pressure (mb)

1025
1025
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

372
371
370
368
367
366
367
366
367
366
366
365
365
366
366
367
367
367
368
368
370
373
374
376

Monday 27

Waxing Gibbous 86%

15:42

04:14

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

Sun - Rise: 05:32, Set: 20:12, Transit: 12:53. Moon - Rise: 15:42, Set: 04:14. Civil Dark: 20:49 - 04:55. Nautical Dark: 21:37 - 04:06. Astro Dark: 22:34 - 03:08

Total Clouds (% Sky Obscured)

75
63
47
37
27
5
24
35
45
58
71
84
93
87
75
65
64
64
92
89
91
90
86
82

Low Clouds (% Sky Obscured)

22
33
42
28
14
0
0
3
9
33
52
62
3
6
9
25
42
56
55
53
50
49
49
50

Medium Clouds (% Sky Obscured)

30
19
1
0
27
2
2
28
35
49
59
29
42
42
42
46
36
35
30
25
20
21
25
27

High Clouds (% Sky Obscured)

57
28
1
16
12
4
15
23
34
32
35
40
93
87
75
65
56
46
53
57
65
46
23
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
1
1
2
7
19
21
17
18
13
3
11
7
0
7
15
17

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)

2
4
5
6
6
6
5
5
5
4
7
8
7
7
8
9
10
10
12
12
13
14
14
14

Chance of Frost

Temperature (°C)

9
11
12
14
15
15
16
16
17
17
16
14
13
12
11
10
10
10
9
9
9
9
9
10

Feels Like (°C)

9
12
13
15
13
14
17
15
16
16
14
12
12
11
11
11
11
11
11
9
9
9
8
8

Dew Point (°C)

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

Relative Humidity (%)

72
63
55
49
49
49
48
52
54
58
65
74
82
86
88
93
95
96
96
98
98
98
96
95

Pressure (mb)

1025
1025
1025
1025
1025
1024
1024
1023
1023
1023
1022
1022
1022
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019

Ozone (du)

374
372
372
374
374
374
373
370
368
371
371
370
370
371
372
373
373
373
373
374
375
377
378
380

Tuesday 28

Waxing Gibbous 92%

16:57

04:25

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 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:30, Set: 20:13, Transit: 12:53. Moon - Rise: 16:57, Set: 04:25. Civil Dark: 20:51 - 04:52. Nautical Dark: 21:39 - 04:04. Astro Dark: 22:37 - 03:05

Total Clouds (% Sky Obscured)

79
78
79
75
72
70
67
63
60
65
71
77
77
77
77
74
72
70
69
72
74
69
60
38

Low Clouds (% Sky Obscured)

58
71
79
75
72
70
67
63
58
60
61
65
67
68
68
66
65
58
52
50
47
39
31
23

Medium Clouds (% Sky Obscured)

16
7
0
0
0
0
0
1
2
2
3
4
5
7
9
6
4
2
1
1
2
2
1
0

High 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

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 (%)

17
15
14
20
24
27
28
29
30
28
25
23
21
19
17
15
14
13
14
14
12
14
15
15

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)

15
15
15
15
16
17
18
19
19
20
20
19
19
19
18
18
18
18
18
17
17
16
16
16

Chance of Frost

Temperature (°C)

10
10
11
11
12
12
13
13
13
13
12
11
10
10
10
10
10
10
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

9
9
9
8
8
7
7
7
7
7
7
7
7
8
7
8
7
7
7
8
8
8
8
9

Relative Humidity (%)

93
88
85
83
75
70
64
65
65
65
71
78
84
85
85
87
84
84
82
84
84
85
88
90

Pressure (mb)

1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017

Ozone (du)

382
391
399
408
409
410
412
412
413
414
413
413
412
411
410
410
409
409
409
407
405
404
400
396

Wednesday 29

Waxing Gibbous 97%

18:10

04:37

07 Bad
08 Bad
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 Good
18 Good
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK

Sun - Rise: 05:28, Set: 20:15, Transit: 12:52. Moon - Rise: 18:10, Set: 04:37. Civil Dark: 20:52 - 04:50. Nautical Dark: 21:41 - 04:01. Astro Dark: 22:40 - 03:01

Total Clouds (% Sky Obscured)

30
22
18
22
27
27
28
24
16
15
13
10
14
18
26
30
33
44

Low Clouds (% Sky Obscured)

18
14
9
6
13
9
17
24
16
15
13
10
14
15
9
7
6
5

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
7
18
26
30
33
44

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

15
15
12
12
10
9
10
8
0
0
0
0
0
1
0
3
3
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
16
17
17
17
17
17
16
15
15
13
12
12
12
11
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
88
86
83
77
71
67
65
65
65
67
71
73
76
80
82
85
87

Pressure (mb)

1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1021
1021
1021
1021

Ozone (du)

392
391
390
390
390
390
391
392
393
393
393
392
391
389
388
387
386
386

Forecast for Canterbury, Kent, United Kingdom (51.28,1.08)

Generated: 23/04/26 07:00:35. Forecast: 23/04/26 to 29/04/26. Timezone: UTC+1.00