Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 13

Waning Crescent 10%

06:14

13:30

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

Sun - Rise: 07:14, Set: 17:15, Transit: 12:14. Moon - Rise: 06:14, Set: 13:30. Civil Dark: 17:49 - 06:40. Nautical Dark: 18:28 - 06:01. Astro Dark: 19:06 - 05:23

Total Clouds (% Sky Obscured)

100
97
91
24
39
0
0
27
17
14
25
27
36
27
0
43
18
69
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

90
77
22
24
39
0
0
27
17
14
25
27
36
27
0
43
15
0
0
0
0
0
27
22

Medium Clouds (% Sky Obscured)

22
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
98
100
100
100
99
100

High Clouds (% Sky Obscured)

50
49
0
0
0
0
0
0
0
0
0
0
0
3
0
3
18
44
100
100
100
100
100
45

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 (%)

8
3
11
1
0
1
1
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)

16
16
16
16
15
14
13
13
12
11
11
13
13
12
10
8
6
3
3
3
4
4
5
6

Chance of Frost

Temperature (°C)

4
3
3
2
2
1
1
0
0
0
1
3
4
5
5
6
6
5
4
2
2
2
2
2

Feels Like (°C)

-3
-4
-4
-4
-4
-4
-4
-4
-4
-4
-2
-2
-0
1
2
3
3
3
2
-1
-1
-1
-1
-1

Dew Point (°C)

1
1
0
-1
-1
-2
-2
-3
-4
-4
-3
-3
-2
-3
-2
-3
-3
-1
-2
-3
-3
-3
-3
-3

Relative Humidity (%)

85
83
82
80
81
80
81
80
77
77
76
69
64
60
58
55
55
65
68
69
70
70
72
70

Pressure (mb)

1002
1003
1004
1006
1007
1009
1010
1011
1013
1014
1016
1016
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1018

Ozone (du)

443
448
453
457
452
451
453
449
447
445
441
435
427
419
407
399
392
389
388
383
378
378
370
370

Saturday 14

Waning Crescent 5%

06:42

14:47

23 Bad
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 Bad
22 Bad

Sun - Rise: 07:12, Set: 17:17, Transit: 12:14. Moon - Rise: 06:42, Set: 14:47. Civil Dark: 17:51 - 06:38. Nautical Dark: 18:30 - 05:59. Astro Dark: 19:08 - 05:21

Total Clouds (% Sky Obscured)

95
100
97
99
100
100
100
100
100
100
100
100
100
100
100
97
81
65
70
61
72
57
48
54

Low Clouds (% Sky Obscured)

21
60
50
58
83
92
100
90
100
100
100
100
100
100
100
93
80
63
70
61
72
57
48
54

Medium Clouds (% Sky Obscured)

95
92
96
96
99
100
100
100
99
100
100
100
100
97
100
81
40
45
50
33
0
0
3
0

High Clouds (% Sky Obscured)

45
100
62
97
100
100
100
100
100
100
100
100
100
100
46
2
11
1
40
39
0
0
0
0

ISS Passover

Visibility (miles)

9
9
5
5
4
1
0
0
0
8
9
9
2
9
9
9
9
9
9
5
5
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
Snow
Light Rain
Sleet
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

4
44
65
79
87
95
93
84
73
83
92
95
95
95
95
95
20
18
54
66
30
4
0
0

Precipitation Amount (mm)

0
0
0.4
0.4
0.5
1.1
0.6
0.6
0.4
0.4
0.6
0.7
1
1.1
1.9
1
0
0
0.2
0.3
0
0
0
0

Wind Speed/Direction (mph)

7
11
12
15
19
20
21
21
21
20
18
15
13
11
11
13
12
14
15
17
18
20
19
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-2
-3
-3
-4
-4
-5
-4
-3
-2
0
2
4
4
4
5
6
5
4
3
3
2
2

Dew Point (°C)

-2
-3
0
2
2
3
3
3
3
3
4
5
6
6
5
6
6
9
8
8
7
5
4
4

Relative Humidity (%)

69
65
79
85
88
94
98
98
98
94
94
96
98
96
88
88
84
91
95
95
90
84
82
85

Pressure (mb)

1018
1017
1016
1016
1014
1013
1012
1010
1009
1008
1006
1004
1003
1001
999
997
995
995
995
995
995
995
996
997

Ozone (du)

363
361
358
352
351
344
341
335
334
333
335
337
339
342
343
345
349
352
349
355
370
377
383
386

Sunday 15

Waning Crescent 1%

07:03

16:06

23 Bad
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 Bad
22 Bad

Sun - Rise: 07:10, Set: 17:19, Transit: 12:14. Moon - Rise: 07:03, Set: 16:06. Civil Dark: 17:53 - 06:36. Nautical Dark: 18:31 - 05:57. Astro Dark: 19:09 - 05:19

Total Clouds (% Sky Obscured)

74
76
51
61
69
67
69
66
65
66
60
66
51
59
51
60
38
46
51
59
64
70
69
68

Low Clouds (% Sky Obscured)

74
76
51
61
69
65
67
62
61
66
60
55
32
59
51
60
31
40
51
59
64
70
69
68

Medium Clouds (% Sky Obscured)

64
65
51
61
69
67
7
0
0
3
0
19
15
0
0
4
38
6
12
4
0
3
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
10
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
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 (%)

1
3
5
7
3
10
3
3
0
1
7
26
37
35
39
33
24
25
11
16
19
3
2
1

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)

19
18
18
19
19
19
19
19
17
16
17
19
19
19
19
19
18
19
16
15
14
15
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
0
0
-1
-1
-1
-2
-2
-1
-1
1
2
2
3
3
4
3
1
1
1
1
1
2
1

Dew Point (°C)

4
4
4
3
3
2
1
1
0
2
3
3
4
4
4
5
4
3
3
3
3
3
2
3

Relative Humidity (%)

87
86
82
79
82
79
75
72
71
78
79
79
78
74
74
77
75
70
74
79
83
82
82
86

Pressure (mb)

997
997
998
998
998
998
998
998
998
999
999
999
999
999
999
1000
1000
1001
1001
1002
1003
1004
1006
1006

Ozone (du)

383
386
390
393
394
394
394
391
393
396
402
403
401
396
392
390
391
393
394
393
392
384
375
368

Monday 16

Waning Crescent 0%

07:19

17:27

23 Bad
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 Bad
22 Bad

Sun - Rise: 07:08, Set: 17:20, Transit: 12:14. Moon - Rise: 07:19, Set: 17:27. Civil Dark: 17:54 - 06:34. Nautical Dark: 18:33 - 05:56. Astro Dark: 19:11 - 05:17

Total Clouds (% Sky Obscured)

72
65
60
58
67
75
86
82
79
78
79
78
80
80
88
92
98
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

70
65
60
56
64
72
81
76
72
72
69
52
53
57
61
65
64
51
44
52
57
67
72
76

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
5
50
73
49
57
62
83
94
100
100
100
100
100
100

High Clouds (% Sky Obscured)

15
15
14
17
17
21
30
29
19
19
32
28
10
26
53
66
86
93
100
100
100
100
100
100

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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
1
1
1
0
2
1
2
5
4
4
3
0
0
0
0
1
2
2
37
60
79
86
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.6
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
0
0
-1
0
-0
0
-1
-1
-1
-0
-1
1
2
3
3
4
3
2
1
1
1
1
1

Dew Point (°C)

3
3
3
2
2
2
2
2
2
2
2
0
-1
-1
-1
-1
0
1
1
1
1
1
1
1

Relative Humidity (%)

91
91
91
93
93
88
89
91
93
88
85
71
63
58
56
56
59
66
71
73
76
79
77
79

Pressure (mb)

1007
1008
1009
1010
1010
1011
1012
1012
1013
1014
1015
1015
1016
1016
1016
1016
1015
1015
1015
1015
1015
1014
1013
1012

Ozone (du)

361
360
354
352
350
350
352
352
350
348
344
341
340
337
334
333
331
329
327
327
329
331
335
345

Tuesday 17

New Moon 1%

07:32

18:47

23 Bad
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 Bad
22 Bad

Sun - Rise: 07:06, Set: 17:22, Transit: 12:14. Moon - Rise: 07:32, Set: 18:47. Civil Dark: 17:56 - 06:32. Nautical Dark: 18:35 - 05:54. Astro Dark: 19:13 - 05:15

Total Clouds (% Sky Obscured)

100
100
100
100
86
72
58
73
89
100
100
100
100
83
67
50
54
71
83
89
94
100
100
100

Low Clouds (% Sky Obscured)

90
100
100
100
84
68
52
57
62
67
63
60
55
53
52
50
54
59
60
59
55
52
50
49

Medium Clouds (% Sky Obscured)

100
100
100
100
86
72
55
73
87
100
100
100
98
70
41
21
32
42
52
67
83
84
90
90

High Clouds (% Sky Obscured)

100
100
100
100
73
47
20
47
73
100
100
91
100
73
53
35
40
55
60
77
92
100
100
100

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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
86
55
37
27
26
30
34
46
33
7
12
10
2
5
5
2
9
13

Precipitation Amount (mm)

0.9
1.1
1.2
1.2
1
0.8
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
14
15
16
16
14
14
15
17
19
22
22
24
26
25
24
24
22
21
19
19
18
18
16

Chance of Frost

Temperature (°C)

5
5
5
6
6
6
7
7
7
6
6
7
7
7
7
7
7
6
5
5
5
5
5
5

Feels Like (°C)

0
0
0
1
1
2
2
2
1
1
-0
0
1
0
0
0
0
0
-1
-0
-2
-2
-2
-3

Dew Point (°C)

1
2
2
3
3
4
3
3
3
3
2
2
2
2
1
1
1
-0
-1
-2
-2
-2
-2
-2

Relative Humidity (%)

79
79
78
78
79
84
76
78
76
76
75
74
72
69
67
67
66
65
65
62
62
62
62
63

Pressure (mb)

1011
1009
1008
1006
1005
1004
1004
1003
1003
1003
1002
1002
1002
1002
1002
1001
1001
1001
1001
1000
1000
1000
1000
1000

Ozone (du)

348
352
353
358
367
367
372
376
376
378
375
374
372
370
369
368
367
368
368
369
370
372
373
372

Wednesday 18

Waxing Crescent 5%

07:44

20:07

23 Bad
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 Bad
22 Bad

Sun - Rise: 07:04, Set: 17:24, Transit: 12:14. Moon - Rise: 07:44, Set: 20:07. Civil Dark: 17:58 - 06:30. Nautical Dark: 18:36 - 05:52. Astro Dark: 19:14 - 05:14

Total Clouds (% Sky Obscured)

100
97
94
92
84
77
70
76
84
91
90
90
89
88
86
85
84
86
86
90
91
93
93
92

Low Clouds (% Sky Obscured)

50
45
40
39
52
61
70
76
80
84
80
78
76
86
86
85
84
84
80
82
84
87
87
88

Medium Clouds (% Sky Obscured)

91
93
91
89
81
77
70
76
84
91
90
88
80
54
33
18
16
14
11
17
23
30
35
39

High Clouds (% Sky Obscured)

100
95
87
78
69
56
44
24
10
5
4
3
4
1
1
0
0
0
2
3
4
19
25
30

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 (%)

14
22
22
9
12
13
3
7
8
5
9
12
11
9
7
4
7
7
3
10
13
15
14
14

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
13
14
14
14
14
14
15
15
15
15
16
16
17
17
17
17
16
16
14
14
14
14
14

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
4
4
4
4
4
5
5
6
6
6
6
6
5
5
5
4
4
4

Feels Like (°C)

-3
-3
-4
-4
-4
-4
-4
-4
-4
-4
-3
-3
-3
-3
1
1
1
1
2
3
0
0
0
0

Dew Point (°C)

-2
-2
-2
-3
-3
-3
-3
-3
-3
-3
-2
-2
-2
-2
-1
-1
-1
-1
-1
-0
-1
-1
-1
-1

Relative Humidity (%)

64
64
63
62
61
61
61
61
62
62
63
61
59
57
58
58
59
62
66
70
69
71
72
71

Pressure (mb)

1000
999
999
1000
1000
1000
1000
1000
1001
1002
1003
1003
1004
1005
1005
1006
1006
1007
1008
1009
1010
1011
1012
1013

Ozone (du)

371
371
369
367
365
362
358
355
354
353
351
350
349
348
347
346
345
342
339
336
335
334
334
335

Thursday 19

Waxing Crescent 11%

07:57

21:30

23 Bad
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

Sun - Rise: 07:02, Set: 17:26, Transit: 12:14. Moon - Rise: 07:57, Set: 21:30. Civil Dark: 17:59 - 06:28. Nautical Dark: 18:38 - 05:50. Astro Dark: 19:16 - 05:12

Total Clouds (% Sky Obscured)

92
92
91
90
74
59
49
42
33
32
48
62
74
78
84
90
93
96
98

Low Clouds (% Sky Obscured)

88
86
84
83
69
59
49
42
24
19
34
45
57
54
54
48
34
21
8

Medium Clouds (% Sky Obscured)

40
57
73
85
74
59
49
42
33
32
48
62
74
78
74
57
53
52
51

High Clouds (% Sky Obscured)

35
35
35
35
23
24
28
42
33
32
48
62
50
45
40
35
30
25
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
5
3
5
7
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

16
16
19
24
25
22
5
19
34
53
74
79
69
54
45
37
30
22
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.4
0.4
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
14
14
14
14
12
11
11
12
13
14
13
12
12
10
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-2
0
-1
-1
-2
-3
-3
-0
1
1
2
3
3
4
4
3
4
3

Dew Point (°C)

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

Relative Humidity (%)

69
68
76
82
91
91
91
93
91
91
90
90
91
91
87
84
81
84
87

Pressure (mb)

1013
1014
1015
1015
1016
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1020
1020
1020
1021

Ozone (du)

337
339
342
345
349
348
347
346
350
353
357
359
360
362
356
350
344
341
338

Forecast for Southgate, West Sussex, United Kingdom (51.11,-0.19)

Generated: 13/02/26 23:15:31. Forecast: 13/02/26 to 19/02/26. Timezone: UTC+0.00