Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 13

Waning Crescent 12%

05:00

16:18

21 Good
22 OK
23 OK
00 OK
01 Good
02 Good
03 Good
04 OK
05 OK
06 OK
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

Sun - Rise: 06:07, Set: 19:59, Transit: 13:03. Moon - Rise: 05:00, Set: 16:18. Civil Dark: 20:35 - 05:31. Nautical Dark: 21:17 - 04:46. Astro Dark: 22:07 - 03:56

Total Clouds (% Sky Obscured)

14
23
34
24
0
0
4
14
30
23
44
57
72
77
99
100
100
85
97
98
100
98
99
100

Low Clouds (% Sky Obscured)

14
23
34
0
0
0
4
14
21
19
4
0
27
11
27
66
65
54
57
95
100
97
91
76

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
10
5
14
28
53
46
28
35
68
80
39
28
77
74
46
59

High Clouds (% Sky Obscured)

0
0
2
0
0
0
0
0
0
0
3
4
5
30
41
60
68
62
42
28
56
75
97
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
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
2
7
15
6
20
6
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
3
3
5
5
5
5
5
5
5
5
8
10
12
11
11
12
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

7
6
5
5
5
4
4
3
3
3
3
5
8
10
12
13
14
14
14
13
13
13
12
11

Feels Like (°C)

6
5
4
4
3
3
2
2
1
1
2
4
7
7
8
10
10
10
10
10
9
9
8
8

Dew Point (°C)

5
4
4
4
4
3
3
2
2
1
2
3
5
6
7
9
10
10
10
10
9
10
9
9

Relative Humidity (%)

87
88
90
91
93
93
93
93
93
91
93
86
81
76
72
76
78
80
80
78
79
81
83
86

Pressure (mb)

1015
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1017
1018
1017
1017
1017
1017
1017
1017

Ozone (du)

432
428
426
423
416
408
403
398
393
389
388
385
382
378
375
371
369
367
363
359
356
354
354
352

Tuesday 14

Waning Crescent 6%

05:12

17:42

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:04, Set: 20:01, Transit: 13:03. Moon - Rise: 05:12, Set: 17:42. Civil Dark: 20:37 - 05:29. Nautical Dark: 21:20 - 04:44. Astro Dark: 22:10 - 03:53

Total Clouds (% Sky Obscured)

100
97
95
96
99
100
100
100
100
100
100
100
100
100
99
79
61
90
100
99
44
47
43
33

Low Clouds (% Sky Obscured)

71
74
57
73
81
97
100
67
61
88
95
100
86
92
65
38
44
69
21
43
39
47
43
33

Medium Clouds (% Sky Obscured)

27
87
89
92
93
96
81
35
26
37
52
65
62
53
58
41
16
34
45
87
38
1
0
0

High Clouds (% Sky Obscured)

100
86
76
76
95
99
100
100
100
100
100
100
100
100
50
45
50
2
3
5
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
7
6
9
9
9
9
9
9
9
9
8
5
5
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Very Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
3
19
36
56
51
23
3
10
27
32
22
33
10
21
28
21
32
76
60
71
32
15
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
12
12
12
12
11
11
11
11
10
10
11
12
12
14
14
15
16
19
16
17
16
14
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
10
10
10
10
10
10
10
11
11
11
11
11
11
12
14
16
16
14
12
12
13
12
12

Relative Humidity (%)

86
88
90
90
90
93
93
93
95
96
95
93
92
90
90
92
93
93
83
83
84
87
89
93

Pressure (mb)

1018
1018
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1014
1014
1013
1013
1013
1013
1013
1014

Ozone (du)

350
348
349
350
350
351
352
352
351
349
347
345
346
346
347
354
359
359
359
364
381
388
394
397

Wednesday 15

Waning Crescent 2%

05:24

19:08

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:02, Set: 20:03, Transit: 13:02. Moon - Rise: 05:24, Set: 19:08. Civil Dark: 20:39 - 05:26. Nautical Dark: 21:22 - 04:41. Astro Dark: 22:13 - 03:50

Total Clouds (% Sky Obscured)

39
52
60
69
76
71
71
73
85
76
96
85
90
100
72
40
66
86
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

39
52
60
69
72
63
64
67
75
66
67
68
68
57
43
38
39
31
16
81
7
1
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
37
55
50
33
37
21
22
25
12
0
11
22
35
96
100
98
100
100

High Clouds (% Sky Obscured)

0
0
0
2
45
57
45
18
2
21
17
3
2
7
18
7
5
43
42
67
90
98
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
None
None
None
None

Precipitation Probability (%)

14
0
0
0
0
0
0
0
0
0
0
0
19
15
3
13
2
2
11
20
9
21
15
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
12
11
12
12
12
11
11
11
11
11
12
13
14
13
13
13
13
11
12
10
9
7
7

Chance of Frost

Temperature (°C)

12
11
10
10
10
10
10
9
9
9
9
10
11
12
12
14
15
15
15
15
15
14
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
95
95
96
98
96
96
98
96
90
90
84
79
73
67
66
66
70
67
74
78
83
84

Pressure (mb)

1014
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020

Ozone (du)

398
400
396
390
388
387
387
387
386
383
384
386
386
380
376
374
373
370
367
364
363
363
363
362

Thursday 16

Waning Crescent 0%

05:37

20:39

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:00, Set: 20:04, Transit: 13:02. Moon - Rise: 05:37, Set: 20:39. Civil Dark: 20:41 - 05:24. Nautical Dark: 21:24 - 04:38. Astro Dark: 22:15 - 03:46

Total Clouds (% Sky Obscured)

100
98
97
94
93
88
90
93
97
100
100
100
100
100
98
99
79
84
99
98
89
76
82
85

Low Clouds (% Sky Obscured)

1
17
42
47
54
44
44
39
32
31
34
38
42
44
52
58
59
59
66
73
71
55
38
21

Medium Clouds (% Sky Obscured)

100
92
85
92
88
79
77
79
69
72
72
52
46
43
45
52
48
50
47
47
38
32
37
42

High Clouds (% Sky Obscured)

100
73
47
15
12
2
9
40
70
100
100
100
100
75
50
22
36
48
57
48
42
34
52
74

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
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
3
5
5
4
3
0
1
0
0
2
2
1
14
25
25
20
22
23
21
10
7
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
6
6
6
6
5
5
5
5
5
5
6
7
7
8
10
10
10
10
9
8
8
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
8
7
7
6
6
6
5
5
6
7
8
9
11
11
12
13
14
13
13
14
15
13

Dew Point (°C)

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

Relative Humidity (%)

91
95
95
96
95
95
96
96
94
94
95
90
85
81
75
74
74
65
65
75
78
78
82
87

Pressure (mb)

1020
1020
1020
1020
1020
1021
1020
1020
1020
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019

Ozone (du)

362
362
363
365
365
365
365
364
362
361
360
360
361
359
359
358
356
354
354
354
354
354
354
356

Friday 17

New Moon 2%

05:54

No Set

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:58, Set: 20:06, Transit: 13:02. Moon - Rise: 05:54, Set: No Set. Civil Dark: 20:42 - 05:22. Nautical Dark: 21:26 - 04:36. Astro Dark: 22:18 - 03:43

Total Clouds (% Sky Obscured)

82
77
80
96
99
99
100
100
100
98
99
98
100
100
99
100
98
95
91
82
76
70
75
80

Low Clouds (% Sky Obscured)

2
4
6
8
18
30
40
57
74
92
84
79
69
69
71
71
72
73
74
69
64
59
63
67

Medium Clouds (% Sky Obscured)

39
28
35
37
50
52
76
93
80
76
89
93
99
100
94
99
90
85
81
81
76
70
75
78

High Clouds (% Sky Obscured)

82
77
78
85
93
96
100
100
100
89
93
86
100
99
95
100
75
50
30
30
35
35
50
60

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

Precipitation Probability (%)

0
0
0
0
5
10
10
22
35
52
84
95
95
87
70
54
66
54
51
48
44
39
34
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.6
0.9
0.9
0.6
0.4
0.2
0.3
0
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
93
93
93
95
95
93
93
93
93
87
81
77
75
72
72
76
82
86
89
90
93
93

Pressure (mb)

1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020

Ozone (du)

357
357
357
359
361
364
363
363
364
365
367
367
368
368
369
370
369
369
368
368
369
370
371
372

Saturday 18

Waxing Crescent 7%

06:18

22:14

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:56, Set: 20:08, Transit: 13:02. Moon - Rise: 06:18, Set: 22:14. Civil Dark: 20:44 - 05:19. Nautical Dark: 21:28 - 04:33. Astro Dark: 22:21 - 03:40

Total Clouds (% Sky Obscured)

86
88
91
94
93
92
92
72
62
46
52
55
64
68
73
75
80
90
100
100
100
100
87
70

Low Clouds (% Sky Obscured)

71
47
24
0
8
16
25
28
31
30
31
42
50
43
37
29
33
36
40
35
31
26
31
36

Medium Clouds (% Sky Obscured)

77
83
90
94
92
88
84
70
56
46
52
39
21
26
29
33
43
56
69
79
90
100
83
70

High Clouds (% Sky Obscured)

55
55
50
50
50
40
34
20
10
5
3
4
5
5
5
5
37
68
100
100
100
100
72
57

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 (%)

31
24
20
19
16
13
7
13
10
0
0
0
0
2
5
4
15
21
26
23
20
9
8
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
95
95
95
95
94
94
94
94
94
91
85
83
80
75
72
74
75
76
77
79
81
83

Pressure (mb)

1020
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021

Ozone (du)

372
373
372
371
370
370
371
371
372
372
373
373
373
374
374
375
375
375
374
374
374
373
373
373

Sunday 19

Waxing Crescent 14%

06:53

23:47

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

Sun - Rise: 05:54, Set: 20:09, Transit: 13:02. Moon - Rise: 06:53, Set: 23:47. Civil Dark: 20:46 - 05:17. Nautical Dark: 21:30 - 04:31. Astro Dark: 22:24 - 03:36

Total Clouds (% Sky Obscured)

52
52
53
56
39
22
5
10
16
25
24
20
15
43
72
92
93
95
95
96
98
100

Low Clouds (% Sky Obscured)

37
40
43
49
36
18
0
6
11
17
11
6
0
25
47
71
74
78
81
84
87
75

Medium Clouds (% Sky Obscured)

52
52
53
56
39
22
5
10
16
25
24
20
15
33
20
8
10
15
21
29
30
27

High Clouds (% Sky Obscured)

45
50
53
56
39
22
5
10
16
25
24
20
15
43
44
38
29
28
14
14
15
20

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
7
8
8
6
5

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
8
7
7
6
5
5
4
4
4
4
6
8
10
11
12
13
13
12
12
11
10

Feels Like (°C)

5
5
4
3
2
0
0
-1
-1
-1
-1
0
2
3
4
4
5
8
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

85
87
88
90
91
90
91
89
88
88
89
83
78
74
68
64
60
60
58
58
60
65

Pressure (mb)

1021
1022
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

374
374
374
374
374
373
372
371
371
371
371
372
373
374
376
377
378
380
381
383
383
383

Forecast for Crownhill, Milton Keynes, United Kingdom (52.03,-0.81)

Generated: 13/04/26 21:53:48. Forecast: 13/04/26 to 19/04/26. Timezone: UTC+1.00