Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 9

Waning Gibbous 61%

01:40

08:51

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

Sun - Rise: 06:37, Set: 18:09, Transit: 12:24. Moon - Rise: 01:40, Set: 08:51. Civil Dark: 18:41 - 06:04. Nautical Dark: 19:19 - 05:26. Astro Dark: 19:58 - 04:47

Total Clouds (% Sky Obscured)

96
90
78
87
70
31
93
100
100
100
99
91
99
93
100
94
88
85
90
91
95
93
100
100

Low Clouds (% Sky Obscured)

57
21
44
67
57
26
53
38
47
41
47
46
45
46
40
24
39
49
75
76
49
55
61
55

Medium Clouds (% Sky Obscured)

35
27
30
0
0
2
2
0
59
77
96
90
99
92
100
94
80
30
30
41
36
29
78
86

High Clouds (% Sky Obscured)

0
12
78
18
4
0
93
100
100
83
95
85
85
85
80
10
0
0
0
3
65
63
25
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
1
29
23
91
100
100
100
100
66
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 (%)

6
0
6
1
3
0
0
0
0
0
0
0
0
0
0
0
1
0
5
4
15
4
5
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)

8
6
4
4
4
4
3
3
3
3
2
2
2
3
3
4
5
9
12
15
16
16
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
90
93
95
95
94
94
94
94
94
94
93
91
91
91
88
84
80
71
67
66
67
73
78

Pressure (mb)

1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1014
1014
1013
1012

Ozone (du)

381
380
384
389
391
398
404
400
405
410
412
406
408
408
410
410
408
404
394
387
382
377
374
370

Tuesday 10

Waning Gibbous 52%

02:45

09:30

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

Sun - Rise: 06:35, Set: 18:11, Transit: 12:23. Moon - Rise: 02:45, Set: 09:30. Civil Dark: 18:43 - 06:02. Nautical Dark: 19:21 - 05:24. Astro Dark: 20:00 - 04:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
81
100
73
30
42
30
36
44
34
42
40
35
27
47
42
35

Low Clouds (% Sky Obscured)

49
92
91
84
87
87
100
100
64
59
47
30
40
30
36
44
34
42
40
35
27
47
42
35

Medium Clouds (% Sky Obscured)

58
98
99
100
100
100
100
54
20
45
0
0
15
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

82
100
100
20
98
93
100
100
14
57
55
0
0
0
0
0
0
0
0
0
0
0
0
2

ISS Passover

Visibility (miles)

9
9
9
8
5
7
9
1
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
1
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

4
23
70
95
95
69
57
55
45
6
0
1
2
1
2
2
4
2
1
1
0
0
3
3

Precipitation Amount (mm)

0
0
0
0.8
0.6
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
17
18
17
17
17
16
18
16
15
14
15
15
15
17
19
20
18
18
17
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
85
93
95
96
93
96
95
88
84
87
87
87
87
87
84
72
68
61
59
60
64
69

Pressure (mb)

1012
1011
1011
1010
1009
1008
1008
1007
1007
1007
1008
1008
1009
1010
1011
1012
1013
1014
1015
1015
1016
1016
1017
1017

Ozone (du)

367
364
359
353
351
346
343
343
342
348
357
365
364
364
377
382
385
386
382
376
374
375
372
367

Wednesday 11

Third Quarter 42%

03:39

10:23

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

Sun - Rise: 06:32, Set: 18:12, Transit: 12:23. Moon - Rise: 03:39, Set: 10:23. Civil Dark: 18:45 - 06:00. Nautical Dark: 19:23 - 05:22. Astro Dark: 20:02 - 04:43

Total Clouds (% Sky Obscured)

45
42
55
62
40
39
80
80
46
74
98
100
98
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
28
28
29
32
37
48
39
37
50
52
61
45
82
84
86
92
96
94
85
75
66
73
78

Medium Clouds (% Sky Obscured)

0
0
2
38
6
5
3
2
0
0
18
2
0
48
65
57
62
78
67
100
89
68
62
75

High Clouds (% Sky Obscured)

17
25
38
29
9
4
48
58
15
32
97
100
93
100
99
100
100
74
100
100
100
97
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
3
9
7
1
5

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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

2
1
2
1
0
2
1
1
1
5
3
5
2
1
10
25
24
52
69
66
79
66
66
65

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
10
8
7
9
9
10
11
13
14
15
16
17
19
20
22
23
23
24
24
24
23
22
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
79
87
90
87
85
82
84
82
81
79
78
79
81
80
80
83
84
87
91
93
93
96
96

Pressure (mb)

1018
1018
1019
1019
1019
1019
1019
1018
1017
1017
1016
1015
1014
1013
1013
1012
1011
1011
1010
1009
1008
1007
1006
1006

Ozone (du)

365
362
361
362
362
366
366
367
366
368
369
371
372
370
368
365
360
357
355
355
354
351
354
354

Thursday 12

Waning Crescent 32%

04:22

11:27

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 Bad
16 Bad

Sun - Rise: 06:30, Set: 18:14, Transit: 12:23. Moon - Rise: 04:22, Set: 11:27. Civil Dark: 18:46 - 05:58. Nautical Dark: 19:25 - 05:20. Astro Dark: 20:04 - 04:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
99
87
75
64
73
80
92
89
87
82
71
39
29
54
78

Low Clouds (% Sky Obscured)

82
86
90
96
94
93
92
83
82
79
62
43
29
53
56
50
59
44
50
69
37
28
32
32

Medium Clouds (% Sky Obscured)

55
68
94
99
100
97
100
98
96
93
79
68
55
54
70
80
67
60
45
43
2
0
27
67

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
75
53
35
30
30
25
30
0
2
2
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
1
8
9
8
9
8
9
9
8
9
9
9
9
9
9
9
8
7
6
8
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
Very 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

Precipitation Probability (%)

58
52
45
54
87
95
95
95
95
95
87
64
16
28
30
29
43
53
46
50
45
11
24
26

Precipitation Amount (mm)

0
0
0
0
0.3
1.1
0.8
0.6
0.6
0.5
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

21
21
20
20
21
20
19
17
13
16
18
18
16
15
15
16
17
19
20
22
21
19
18
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
11
10
10
10
9
7
6
6
4
2
1
1
1
2
2
1
2
1
2
0
0
2

Relative Humidity (%)

96
95
95
92
93
93
90
83
90
90
90
80
78
80
79
78
76
70
69
65
68
58
57
66

Pressure (mb)

1005
1004
1003
1002
1001
1000
998
998
998
998
999
999
999
999
1000
1000
1000
999
999
999
999
999
999
1000

Ozone (du)

354
360
365
365
370
374
379
383
390
391
393
398
404
407
420
434
448
465
476
478
485
496
503
516

Friday 13

Waning Crescent 23%

04:54

12:40

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

Sun - Rise: 06:28, Set: 18:16, Transit: 12:23. Moon - Rise: 04:54, Set: 12:40. Civil Dark: 18:48 - 05:56. Nautical Dark: 19:26 - 05:17. Astro Dark: 20:05 - 04:38

Total Clouds (% Sky Obscured)

97
77
52
24
21
18
15
43
64
88
79
67
59
28
27
27
40
60
75
81
77
69
57
40

Low Clouds (% Sky Obscured)

33
29
26
23
20
17
14
11
8
4
16
27
39
27
19
11
29
45
61
62
60
52
38
22

Medium Clouds (% Sky Obscured)

77
77
44
0
2
2
2
43
44
53
41
28
18
5
5
5
4
4
5
14
20
35
23
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
11
23
35
25
15
6
4
8
13
16
13
8
4
2
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 (%)

22
15
12
4
5
5
4
8
19
9
7
6
5
15
16
14
19
21
21
23
21
11
12
10

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
1
0
1
2
1
1
-0
0
-1
0
0
0
1
1
2
2
2
3
5
5
5
5

Dew Point (°C)

2
3
3
3
2
2
1
2
3
2
2
1
2
1
2
3
3
3
3
3
3
3
2
3

Relative Humidity (%)

72
85
88
91
86
85
78
80
83
82
79
80
83
83
80
79
77
73
67
63
62
62
61
67

Pressure (mb)

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

Ozone (du)

528
529
521
510
503
494
479
471
473
469
471
470
463
461
465
469
474
468
462
457
451
446
441
431

Saturday 14

Waning Crescent 15%

05:18

13:58

17 OK
18 OK
19 OK
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 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:26, Set: 18:17, Transit: 12:22. Moon - Rise: 05:18, Set: 13:58. Civil Dark: 18:50 - 05:53. Nautical Dark: 19:28 - 05:15. Astro Dark: 20:07 - 04:36

Total Clouds (% Sky Obscured)

31
39
44
49
59
71
78
68
60
53
65
72
78
64
49
34
44
52
61
74
87
100
84
66

Low Clouds (% Sky Obscured)

8
5
3
0
25
51
76
68
54
49
49
64
65
58
49
34
44
52
61
74
87
100
78
56

Medium Clouds (% Sky Obscured)

14
24
38
49
59
71
78
68
60
53
65
72
69
45
23
4
2
1
0
25
51
76
76
66

High Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
12
41
70
99
74
53

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 (%)

2
3
2
1
9
15
21
23
29
34
32
29
33
35
28
13
9
6
1
7
12
16
21
23

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
7
6
5
5
5
5
6
6
6
7
7
6
5
6
9
11
12
13
14
15
16
17
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
3
3
4
3
3
3
2
2
3
4
4
4
3
3
3
4
5
5
8
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

74
81
83
88
91
93
91
93
91
91
91
93
93
93
88
82
78
78
80
80
84
87
91
88

Pressure (mb)

1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1016
1015
1015
1015

Ozone (du)

422
412
407
402
397
394
391
388
382
375
369
366
363
360
356
352
348
345
342
340
339
338
337
339

Sunday 15

Waning Crescent 8%

05:36

15:17

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
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: 06:24, Set: 18:19, Transit: 12:22. Moon - Rise: 05:36, Set: 15:17. Civil Dark: 18:51 - 05:51. Nautical Dark: 19:30 - 05:13. Astro Dark: 20:09 - 04:33

Total Clouds (% Sky Obscured)

45
43
47
52
50
46
41
52
61
71
80
90
100
100
100
99
99
100
100

Low Clouds (% Sky Obscured)

33
37
42
48
40
33
25
29
31
31
35
36
39
35
36
41
50
59
68

Medium Clouds (% Sky Obscured)

45
43
36
13
10
11
12
18
23
29
45
65
85
77
68
61
74
86
99

High Clouds (% Sky Obscured)

30
31
19
7
7
7
8
10
12
12
43
71
100
99
95
91
92
96
99

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 (%)

22
19
14
5
9
9
1
2
3
0
2
4
5
14
19
21
25
27
31

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)

15
15
15
15
15
14
12
10
8
6
5
5
5
5
6
8
9
11
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
84
81
78
75
79
82
85
88
89
93
91
91
89
86
82
79
73
69

Pressure (mb)

1016
1016
1017
1017
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020
1019
1019
1019
1019
1018

Ozone (du)

340
342
346
350
354
354
354
354
353
352
352
352
353
354
353
351
350
349
349

Welcome to Clear Outside

Forecast for Alphington, Devon, United Kingdom (50.70,-3.52)

Generated: 09/03/26 17:11:51. Forecast: 09/03/26 to 15/03/26. Timezone: UTC+0.00