Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 5

Waning Gibbous 81%

21:41

08:56

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:30, Set: 16:57, Transit: 12:14. Moon - Rise: 21:41, Set: 08:56. Civil Dark: 17:33 - 06:54. Nautical Dark: 18:13 - 06:15. Astro Dark: 18:52 - 05:35

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
100
100
100
100
100
100
91
91
96
95
94
99
100
100
100
96
99

Low Clouds (% Sky Obscured)

100
93
91
97
96
90
92
88
92
98
100
93
100
78
66
87
85
87
92
77
95
73
73
66

Medium Clouds (% Sky Obscured)

68
99
100
100
98
85
95
72
86
100
100
96
98
82
88
96
95
94
90
97
100
100
25
38

High Clouds (% Sky Obscured)

100
100
100
100
100
98
92
100
84
96
87
100
90
70
71
62
48
41
88
96
97
99
78
45

ISS Passover

Visibility (miles)

1
1
0
0
0
0
0
0
6
2
0
0
6
7
7
5
4
1
0
6
9
9
9
8

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

Precipitation Probability (%)

0
0
95
95
94
80
75
46
45
88
95
95
74
51
53
63
53
66
37
25
23
46
49
50

Precipitation Amount (mm)

0
0
1
1.2
0.8
0.4
0.6
0
0
0.7
0.9
1
0.3
0
0
0.3
0
0.5
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
3
3
3
3
3
4
4
4
4
4
3
3
4
3
3
4
6
7
7
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
98
98
96
98
98
98
96
96
96
94
96
98
98
98
95
91
96
91

Pressure (mb)

982
982
982
982
982
982
982
982
982
982
982
982
982
982
982
982
983
983
984
984
985
985
985
986

Ozone (du)

434
430
431
431
430
430
424
419
419
419
418
418
416
415
415
415
417
419
422
426
431
434
435
434

Friday 6

Waning Gibbous 72%

22:56

09:07

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:28, Set: 16:59, Transit: 12:14. Moon - Rise: 22:56, Set: 09:07. Civil Dark: 17:34 - 06:53. Nautical Dark: 18:14 - 06:13. Astro Dark: 18:53 - 05:34

Total Clouds (% Sky Obscured)

100
99
100
94
75
61
64
61
71
98
100
100
100
99
99
100
100
98
86
86
86
93
100
100

Low Clouds (% Sky Obscured)

70
71
69
72
67
57
61
57
59
72
75
74
81
98
92
100
86
96
74
69
79
77
68
72

Medium Clouds (% Sky Obscured)

38
90
100
55
57
49
26
44
66
33
36
41
71
78
79
89
93
85
34
22
24
64
74
94

High Clouds (% Sky Obscured)

41
46
45
44
2
2
3
4
12
43
56
60
71
37
95
100
100
88
22
11
2
17
75
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
2
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
Light Rain
Light Rain
None
Very Light Rain
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

18
5
2
0
0
0
0
0
0
3
19
20
9
44
95
95
51
53
29
18
23
34
28
57

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.8
0.7
0
0.3
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

11
10
10
10
11
10
9
10
11
11
11
11
11
11
13
14
16
16
15
15
14
14
14
13

Chance of Frost

Temperature (°C)

10
10
9
9
8
8
8
7
7
7
7
7
8
8
8
8
8
8
8
9
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

7
7
8
8
7
7
6
6
6
6
6
6
6
6
6
6
6
6
6
6
7
6
7
7

Relative Humidity (%)

81
85
90
91
90
93
91
91
90
88
88
90
90
90
87
90
88
87
84
82
82
78
80
82

Pressure (mb)

986
987
988
989
990
991
991
992
992
992
993
993
993
993
993
993
994
995
995
996
996
996
996
996

Ozone (du)

429
426
428
431
432
430
431
435
438
442
444
441
434
428
424
422
422
422
423
424
427
431
429
426

Saturday 7

Waning Gibbous 63%

00:11

09:20

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:27, Set: 17:01, Transit: 12:14. Moon - Rise: 00:11, Set: 09:20. Civil Dark: 17:36 - 06:51. Nautical Dark: 18:16 - 06:11. Astro Dark: 18:55 - 05:32

Total Clouds (% Sky Obscured)

90
98
100
100
100
100
100
96
97
100
97
94
95
88
99
97
88
93
96
84
76
72
69
74

Low Clouds (% Sky Obscured)

82
85
91
90
88
82
84
84
88
88
75
68
69
72
75
77
74
69
64
68
60
54
44
44

Medium Clouds (% Sky Obscured)

35
27
58
86
78
79
86
43
26
29
17
10
8
69
91
38
71
58
71
30
23
12
5
22

High Clouds (% Sky Obscured)

12
45
57
95
100
100
95
50
68
77
59
59
67
61
54
60
50
77
78
31
21
17
13
19

ISS Passover

Visibility (miles)

9
7
9
6
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
43
73
98
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

44
31
36
61
47
43
23
25
20
11
5
1
0
0
0
0
1
2
1
3
6
18
22
10

Precipitation Amount (mm)

0
0
0
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
7
7
7
7
7
7
8
8
7
7
7
7
7
6
6
6
7
7
7
7
6
7

Relative Humidity (%)

90
91
88
90
90
90
90
90
93
95
95
96
96
98
96
96
96
93
90
84
82
77
74
77

Pressure (mb)

997
997
998
998
999
1000
1000
1001
1002
1002
1003
1003
1004
1004
1005
1005
1006
1007
1007
1008
1008
1008
1008
1008

Ozone (du)

425
421
420
421
422
423
424
425
424
424
424
422
420
421
422
421
421
421
422
420
422
425
427
428

Sunday 8

Waning Gibbous 53%

01:26

09:37

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK

Sun - Rise: 07:25, Set: 17:02, Transit: 12:15. Moon - Rise: 01:26, Set: 09:37. Civil Dark: 17:38 - 06:50. Nautical Dark: 18:18 - 06:10. Astro Dark: 18:57 - 05:31

Total Clouds (% Sky Obscured)

79
86
88
91
94
96
98
73
78
84
72
77
77
80
81
100
86
82
84
85
77
65
44
46

Low Clouds (% Sky Obscured)

41
42
46
48
49
53
60
66
78
84
72
76
61
49
47
46
44
47
51
60
56
53
44
46

Medium Clouds (% Sky Obscured)

52
57
43
32
25
25
25
8
3
7
8
22
25
34
39
98
59
52
51
41
27
13
0
0

High Clouds (% Sky Obscured)

25
31
43
59
75
83
87
73
78
77
72
74
77
80
69
59
58
57
61
61
40
25
0
2

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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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 (%)

7
3
5
5
0
0
2
2
2
1
2
0
0
0
2
2
0
0
0
0
1
9
3
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
84
88
93
91
93
93
93
93
94
98
98
98
98
98
98
96
94
88
84
80
77
76
80

Pressure (mb)

1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008

Ozone (du)

432
436
440
441
444
447
451
457
454
450
449
450
448
444
443
438
434
438
439
436
430
422
418
420

Monday 9

Third Quarter 43%

02:40

10:00

16 Bad
17 Bad
18 OK
19 OK
20 OK
21 OK
22 Bad
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

Sun - Rise: 07:23, Set: 17:04, Transit: 12:15. Moon - Rise: 02:40, Set: 10:00. Civil Dark: 17:40 - 06:48. Nautical Dark: 18:19 - 06:08. Astro Dark: 18:58 - 05:29

Total Clouds (% Sky Obscured)

54
49
34
23
20
35
46
59
64
69
76
74
76
77
91
95
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

47
41
17
9
0
13
26
40
46
52
58
63
67
72
61
66
72
73
75
76
79
82
85
89

Medium Clouds (% Sky Obscured)

3
49
34
23
20
35
46
50
55
59
64
61
58
45
65
54
35
38
41
41
62
81
100
100

High Clouds (% Sky Obscured)

15
20
15
15
15
18
30
30
16
10
6
5
10
15
17
32
50
66
80
93
95
97
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
7
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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
Light Rain

Precipitation Probability (%)

4
2
3
4
0
2
4
5
7
17
30
34
30
22
31
25
8
12
10
1
12
20
28
70

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
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
79
85
87
88
86
86
85
85
88
88
91
93
93
91
93
93
93
91
90
88
88
90
91

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1006
1005
1005
1004
1003
1002
1001
1001
1000
999
998
996
995
993

Ozone (du)

416
409
401
398
400
399
397
396
405
408
403
399
397
403
406
404
401
399
391
384
376
370
364
358

Tuesday 10

Waning Crescent 34%

03:50

10:32

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:21, Set: 17:06, Transit: 12:15. Moon - Rise: 03:50, Set: 10:32. Civil Dark: 17:41 - 06:46. Nautical Dark: 18:21 - 06:07. Astro Dark: 19:00 - 05:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
94
90
86
81
89
95
100
100

Low Clouds (% Sky Obscured)

94
99
99
99
100
100
100
100
95
90
85
84
86
87
88
88
89
87
84
81
69
61
48
55

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
96
94
95
92
88
80
66
55
52
49
40
32
35
40
45
50

High Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
98
97
96
97
98
100
80
70
40
35
34
34
62
84
100
93

ISS Passover

Visibility (miles)

6
4
1
1
0
0
2
3
4
6
8
9
9
9
9
9
9
9
9
9
9
8
6
5

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
92
70
60
49
37
35
33
32
37
42
46
38
27
7
21
31
43
49

Precipitation Amount (mm)

0.9
1.4
1.3
1.2
1
0.7
0.6
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
7
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
10
10
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
96
98
98
98
98
98
96
95
95
93
91
88
85
85
85
85
84
84
82
84
85
87

Pressure (mb)

992
990
989
988
986
985
984
984
983
982
982
982
982
982
982
982
983
983
983
984
984
984
983
983

Ozone (du)

355
351
348
350
352
354
355
355
356
358
360
362
363
364
366
366
366
366
367
369
371
372
372
373

Wednesday 11

Waning Crescent 25%

04:52

11:16

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:19, Set: 17:08, Transit: 12:15. Moon - Rise: 04:52, Set: 11:16. Civil Dark: 17:43 - 06:44. Nautical Dark: 18:23 - 06:05. Astro Dark: 19:01 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
96
94
96
98
100
100
100
100
99
99
99
98
98
99

Low Clouds (% Sky Obscured)

60
69
77
84
90
88
85
81
80
81
81
83
84
86
84
83
82
84
84
84

Medium Clouds (% Sky Obscured)

52
55
64
73
82
71
59
49
48
48
45
46
51
51
59
73
82
79
80
78

High Clouds (% Sky Obscured)

88
83
82
87
84
58
31
5
31
53
76
87
92
93
93
93
92
92
89
85

ISS Passover

Visibility (miles)

6
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

49
41
53
69
75
68
50
33
37
39
46
57
61
59
45
28
3
19
31
41

Precipitation Amount (mm)

0
0
0.2
0.4
0.5
0.4
0
0
0
0
0
0.2
0.3
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
4
4
4
5
4
5
5
4
4
4
4
4
4
3
3
4
4
4

Dew Point (°C)

8
8
8
8
8
8
8
8
8
7
7
7
6
6
6
6
6
6
6
6

Relative Humidity (%)

90
91
93
93
93
93
93
93
95
95
93
93
93
93
94
93
93
91
90
88

Pressure (mb)

983
983
983
984
984
984
985
985
986
986
986
987
987
987
987
987
987
988
987
987

Ozone (du)

385
397
410
416
423
429
430
430
430
430
429
428
428
427
427
423
418
414
406
398

Forecast for Welwyn Garden City, Hertfordshire, United Kingdom (51.80,-0.21)

Generated: 05/02/26 16:07:12. Forecast: 05/02/26 to 11/02/26. Timezone: UTC+0.00