Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 4

Waning Crescent 10%

04:22

17:11

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

Sun - Rise: 05:25, Set: 20:30, Transit: 12:58. Moon - Rise: 04:22, Set: 17:11. Civil Dark: 21:09 - 04:46. Nautical Dark: 22:00 - 03:55. Astro Dark: 23:05 - 02:49

Total Clouds (% Sky Obscured)

59
54
50
34
12
11
20
58
42
41
40
55
60
40
88
85
97
100
97
100
100
100
96
100

Low Clouds (% Sky Obscured)

39
27
11
2
8
10
15
24
29
34
35
35
23
0
0
76
93
100
96
81
67
78
72
71

Medium Clouds (% Sky Obscured)

5
2
5
0
0
0
0
41
2
0
0
0
0
0
38
38
30
37
40
30
53
42
43
100

High Clouds (% Sky Obscured)

7
53
3
3
3
1
3
48
16
9
6
24
46
55
61
10
42
32
17
100
100
100
55
51

ISS Passover

Visibility (miles)

7
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
53
53
24
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
Very Light Rain
None
None
None
None

Precipitation Probability (%)

34
16
1
0
0
0
0
0
0
0
0
0
0
0
1
3
4
4
14
42
45
36
41
49

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
13
11
10
9
8
8
7
7
6
6
5
7
10
11
13
14
13
14
14
15
15
14

Feels Like (°C)

16
15
12
11
11
9
8
8
7
7
6
6
4
5
8
9
11
11
10
12
12
14
12
11

Dew Point (°C)

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

Relative Humidity (%)

75
83
87
90
91
90
90
90
88
88
87
86
86
87
84
81
80
84
84
90
87
75
74
78

Pressure (mb)

1009
1009
1009
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1007
1006
1006

Ozone (du)

409
408
408
407
405
405
403
401
400
400
396
395
398
402
403
404
401
398
396
394
395
395
394
396

Sunday 5

Waning Crescent 4%

04:35

No Set

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
16 Bad
17 Bad

Sun - Rise: 05:23, Set: 20:32, Transit: 12:58. Moon - Rise: 04:35, Set: No Set. Civil Dark: 21:11 - 04:44. Nautical Dark: 22:02 - 03:52. Astro Dark: 23:08 - 02:45

Total Clouds (% Sky Obscured)

98
84
86
77
99
91
94
98
97
87
94
92
90
98
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

68
50
50
46
55
66
79
75
72
71
69
87
86
71
77
70
81
70
83
82
79
75
69
61

Medium Clouds (% Sky Obscured)

92
71
58
60
99
75
76
40
47
30
24
28
5
77
99
100
98
97
99
91
96
100
93
67

High Clouds (% Sky Obscured)

75
55
60
60
53
60
60
6
23
76
88
70
65
96
89
65
67
87
28
74
97
93
96
67

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
6
9

Fog (%)

0
0
0
0
0
0
71
71
71
100
100
100
100
100
100
71
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

47
32
9
4
1
1
2
4
3
3
1
3
2
1
5
16
39
56
63
69
61
57
51
33

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0
0
0

Wind Speed/Direction (mph)

9
8
5
4
3
3
3
2
2
2
2
2
2
1
2
3
4
5
7
6
4
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
84
92
93
93
91
91
90
85
85
85
85
84
84
83
81
77
80
90
93
90
87
95
98

Pressure (mb)

1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1007
1007
1007
1008
1008
1008
1008
1008
1009
1009
1009
1009

Ozone (du)

398
399
402
402
401
400
402
401
401
403
405
405
405
405
406
407
410
414
418
419
419
418
420
421

Monday 6

Waning Crescent 1%

04:51

18:40

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
16 Bad
17 Bad

Sun - Rise: 05:22, Set: 20:33, Transit: 12:58. Moon - Rise: 04:51, Set: 18:40. Civil Dark: 21:12 - 04:42. Nautical Dark: 22:04 - 03:50. Astro Dark: 23:12 - 02:41

Total Clouds (% Sky Obscured)

100
88
67
75
61
65
100
94
83
90
100
100
99
84
70
68
84
63
57
77
75
71
65
55

Low Clouds (% Sky Obscured)

56
52
32
32
35
50
57
51
68
82
90
78
95
83
69
60
70
45
39
38
43
59
63
29

Medium Clouds (% Sky Obscured)

94
71
43
46
62
59
63
52
31
25
57
74
7
2
0
0
48
38
32
31
26
22
15
7

High Clouds (% Sky Obscured)

62
36
7
42
55
35
33
3
0
47
50
50
45
18
13
4
3
1
2
30
32
8
45
50

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 (%)

22
14
5
2
3
6
18
7
6
11
9
4
1
0
1
4
6
23
32
20
19
22
26
25

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

Chance of Frost

Temperature (°C)

14
14
13
12
11
10
10
10
9
9
9
10
10
11
12
13
14
15
15
16
17
17
18
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
98
96
98
98
98
96
98
96
96
96
93
86
80
71
66
59
58
56
57
61
74

Pressure (mb)

1010
1010
1011
1012
1013
1013
1013
1014
1014
1015
1015
1016
1017
1018
1018
1019
1019
1020
1020
1021
1021
1021
1021
1022

Ozone (du)

416
415
417
418
417
417
419
420
420
420
418
418
416
413
408
407
405
400
397
396
394
392
389
391

Tuesday 7

Waning Crescent 0%

05:10

20:12

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

Sun - Rise: 05:20, Set: 20:35, Transit: 12:58. Moon - Rise: 05:10, Set: 20:12. Civil Dark: 21:14 - 04:40. Nautical Dark: 22:07 - 03:48. Astro Dark: 23:15 - 02:37

Total Clouds (% Sky Obscured)

45
45
50
56
68
81
57
59
53
57
64
37
40
35
39
37
32
31
46
63
79
87
81
97

Low Clouds (% Sky Obscured)

24
21
18
30
35
39
36
38
37
40
45
21
23
26
39
45
37
28
32
44
58
64
55
62

Medium Clouds (% Sky Obscured)

0
31
42
48
52
60
33
21
9
0
0
0
0
0
0
0
7
14
21
24
26
32
28
23

High Clouds (% Sky Obscured)

55
67
69
66
10
15
19
17
14
11
19
26
31
19
8
3
0
0
0
3
4
4
21
39

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
6
4
10
11
0
0
0
0
0
0
0
0
0
0
0
0
1
1
4
6
9
9
19

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

Chance of Frost

Temperature (°C)

17
17
15
14
12
11
11
10
10
9
9
9
9
10
12
14
15
16
17
18
18
18
18
18

Feels Like (°C)

16
16
14
12
11
10
10
10
9
8
7
7
9
8
10
12
14
15
16
17
16
16
15
15

Dew Point (°C)

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

Relative Humidity (%)

76
79
82
83
87
92
93
93
91
90
85
85
91
88
83
78
73
68
65
63
63
64
66
68

Pressure (mb)

1022
1023
1023
1024
1025
1025
1026
1026
1026
1027
1027
1027
1028
1028
1028
1029
1029
1029
1029
1029
1028
1028
1028
1028

Ozone (du)

391
395
399
402
404
404
403
399
395
393
392
391
389
389
388
387
388
389
387
384
379
375
374
373

Wednesday 8

New Moon 3%

05:35

21:43

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 Bad
01 Bad
02 OK
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: 05:18, Set: 20:36, Transit: 12:58. Moon - Rise: 05:35, Set: 21:43. Civil Dark: 21:16 - 04:39. Nautical Dark: 22:09 - 03:45. Astro Dark: 23:19 - 02:33

Total Clouds (% Sky Obscured)

100
96
92
90
89
38
38
48
31
59
58
59
61
85
85
84
87
94
99
90
83
80
80
77

Low Clouds (% Sky Obscured)

64
66
75
81
82
48
37
30
25
17
17
19
22
23
12
0
17
32
47
43
39
34
32
30

Medium Clouds (% Sky Obscured)

19
12
6
0
0
0
0
0
0
0
0
0
0
3
6
8
27
44
62
52
44
36
29
18

High Clouds (% Sky Obscured)

52
37
20
8
5
4
9
21
6
61
60
73
80
81
81
82
84
90
97
87
78
71
66
61

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 (%)

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

Chance of Frost

Temperature (°C)

17
17
15
15
13
13
12
11
10
10
9
9
9
9
12
13
15
16
17
18
19
19
19
19

Feels Like (°C)

15
14
13
11
11
11
11
11
10
9
7
6
6
6
8
9
10
10
10
11
16
17
16
17

Dew Point (°C)

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

Relative Humidity (%)

74
74
72
61
65
76
92
91
95
95
93
91
85
81
73
66
60
58
56
55
53
52
51
57

Pressure (mb)

1028
1029
1029
1029
1029
1030
1030
1030
1030
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1027
1027
1026
1025
1025

Ozone (du)

371
371
370
367
366
365
363
362
361
361
361
364
365
366
366
366
366
367
368
369
368
366
364
361

Thursday 9

Waxing Crescent 8%

06:12

23:09

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
16 Bad
17 Bad

Sun - Rise: 05:17, Set: 20:38, Transit: 12:58. Moon - Rise: 06:12, Set: 23:09. Civil Dark: 21:18 - 04:37. Nautical Dark: 22:11 - 03:43. Astro Dark: 23:23 - 02:29

Total Clouds (% Sky Obscured)

74
71
72
70
80
88
99
98
98
97
98
99
100
98
97
96
90
82
72
76
79
88
92
96

Low Clouds (% Sky Obscured)

26
22
18
13
11
9
6
4
2
0
7
12
16
11
5
0
0
0
0
14
28
43
41
41

Medium Clouds (% Sky Obscured)

9
7
4
3
2
2
1
1
0
0
17
34
46
42
38
34
27
20
15
24
32
38
40
49

High Clouds (% Sky Obscured)

58
59
62
54
66
79
97
98
99
99
99
100
100
97
95
92
90
84
75
75
81
81
86
93

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
1
2
2
9
11

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

Chance of Frost

Temperature (°C)

19
18
17
15
12
12
11
10
9
9
8
9
10
10
12
14
15
16
17
18
18
19
19
18

Feels Like (°C)

17
17
18
17
17
16
15
13
8
8
8
7
8
7
10
10
11
12
13
14
18
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

64
72
77
83
87
87
87
85
87
88
90
88
87
87
80
74
68
67
64
63
64
64
67
71

Pressure (mb)

1025
1024
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1020
1020
1019

Ozone (du)

357
354
353
352
351
349
348
346
345
345
344
345
347
348
348
348
348
348
348
348
350
352
354
354

Friday 10

Waxing Crescent 15%

07:02

00:23

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

Sun - Rise: 05:15, Set: 20:40, Transit: 12:58. Moon - Rise: 07:02, Set: 00:23. Civil Dark: 21:20 - 04:35. Nautical Dark: 22:13 - 03:41. Astro Dark: 23:27 - 02:25

Total Clouds (% Sky Obscured)

99
99
99
100
91
80
66
65
67
77
76
71
68
87
96
100
100
100
100

Low Clouds (% Sky Obscured)

40
30
18
6
13
19
25
40
52
66
67
62
60
52
49
40
47
50
60

Medium Clouds (% Sky Obscured)

59
71
78
81
78
75
70
68
68
70
63
56
49
50
52
47
43
39
34

High Clouds (% Sky Obscured)

98
99
99
100
90
77
56
50
55
55
49
42
35
33
26
19
18
18
22

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

10
10
8
2
4
4
4
13
14
13
22
26
27
24
20
15
17
16
15

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
15
15
14
14
13
12
11
11
11
11
11
11
12
12
13
13
14

Dew Point (°C)

13
14
13
12
11
11
11
11
11
11
11
11
11
11
12
13
14
14
14

Relative Humidity (%)

74
79
83
84
87
89
90
92
95
96
96
98
98
98
96
95
95
92
87

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019

Ozone (du)

354
355
355
356
356
356
357
357
358
359
360
361
363
365
365
366
366
368
369

Forecast for Guildford, Surrey, United Kingdom (51.24,-0.57)

Generated: 04/05/24 18:52:27. Forecast: 04/05/24 to 10/05/24. Timezone: UTC+1.00