Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 13

Waning Crescent 23%

04:48

12:23

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

Sun - Rise: 06:17, Set: 18:04, Transit: 12:11. Moon - Rise: 04:48, Set: 12:23. Civil Dark: 18:37 - 05:44. Nautical Dark: 19:16 - 05:05. Astro Dark: 19:56 - 04:24

Total Clouds (% Sky Obscured)

75
78
61
51
30
50
61
61
48
67
69
80
65
83
67
78
73
88
66
61
69
68
78
72

Low Clouds (% Sky Obscured)

31
35
45
30
0
44
56
47
48
67
67
79
64
73
67
78
73
88
66
61
69
68
46
43

Medium Clouds (% Sky Obscured)

75
66
32
44
30
7
21
48
8
43
69
65
35
14
0
27
3
4
1
0
0
0
20
23

High Clouds (% Sky Obscured)

75
28
40
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

10
22
8
6
5
0
0
0
0
0
0
1
2
3
0
0
0
0
0
0
0
17
22
18

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)

18
15
13
11
9
7
7
7
6
6
6
6
6
6
6
7
7
8
11
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
74
75
80
85
88
89
93
93
93
93
93
96
96
96
94
94
88
80
70
64
58
56
56

Pressure (mb)

999
999
999
999
999
1000
1000
1000
1000
1000
1000
1000
1001
1001
1002
1003
1003
1004
1005
1005
1006
1006
1006
1007

Ozone (du)

452
458
462
475
502
527
525
518
513
503
499
490
477
474
475
481
483
480
480
481
482
484
483
481

Saturday 14

Waning Crescent 15%

05:11

13:42

15 OK
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
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
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:15, Set: 18:06, Transit: 12:11. Moon - Rise: 05:11, Set: 13:42. Civil Dark: 18:39 - 05:42. Nautical Dark: 19:18 - 05:02. Astro Dark: 19:58 - 04:22

Total Clouds (% Sky Obscured)

4
4
1
1
1
1
0
0
27
85
89
79
74
75
100
100
88
87
82
97
100
100
100
100

Low Clouds (% Sky Obscured)

4
4
0
0
0
0
0
0
0
0
0
5
0
0
0
13
0
50
64
81
100
100
100
100

Medium Clouds (% Sky Obscured)

2
3
1
1
1
1
0
0
11
48
89
79
74
75
100
99
80
73
65
43
24
23
77
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
3
1
2
5
33
100
5
3
0
0
0
24
57
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 (%)

28
9
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
18
38
20
28
32

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
9
6
4
3
3
3
3
3
3
3
3
4
5
5
6
7
9
12
14
17
17
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
7
5
3
3
2
1
1
1
0
-2
-2
-2
-1
-1
-1
-1
-1
1
1
2
2
2

Dew Point (°C)

0
2
3
2
0
0
0
0
0
0
-0
0
-0
0
0
0
0
0
1
3
3
5
6
6

Relative Humidity (%)

56
62
70
71
72
77
82
83
86
88
88
89
88
86
85
85
80
79
78
78
77
85
84
88

Pressure (mb)

1007
1007
1008
1009
1010
1010
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1011
1010
1009

Ozone (du)

472
461
451
446
438
429
419
411
404
398
392
385
378
375
373
371
371
364
358
352
351
349
347
344

Sunday 15

Waning Crescent 8%

05:28

15:03

15 Bad
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

Sun - Rise: 06:12, Set: 18:07, Transit: 12:11. Moon - Rise: 05:28, Set: 15:03. Civil Dark: 18:41 - 05:39. Nautical Dark: 19:20 - 05:00. Astro Dark: 20:00 - 04:19

Total Clouds (% Sky Obscured)

99
68
74
71
61
34
38
42
56
85
66
50
45
57
100
100
97
86
76
93
92
93
94
95

Low Clouds (% Sky Obscured)

96
52
62
59
41
33
38
40
28
38
41
50
45
31
51
70
48
45
39
57
89
90
91
93

Medium Clouds (% Sky Obscured)

88
68
11
21
20
0
0
3
22
26
20
7
6
10
14
20
87
86
54
32
34
82
37
82

High Clouds (% Sky Obscured)

35
30
0
0
0
0
0
0
0
0
0
0
0
16
83
100
96
64
45
12
13
3
5
7

ISS Passover

Visibility (miles)

9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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 (%)

28
42
37
9
24
24
3
21
30
1
3
7
2
0
0
0
0
0
0
19
38
33
31
37

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
82
79
81
90
90
88
89
91
83
88
88
89
93
96
93
89
83
77
73
81
88
80

Pressure (mb)

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

Ozone (du)

344
344
355
374
376
379
385
392
399
407
405
405
401
404
403
404
405
403
402
401
400
399
398
393

Monday 16

Waning Crescent 3%

05:42

15:03

15 Bad
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

Sun - Rise: 06:10, Set: 18:09, Transit: 12:10. Moon - Rise: 05:42, Set: 15:03. Civil Dark: 18:42 - 05:37. Nautical Dark: 19:22 - 04:58. Astro Dark: 20:02 - 04:17

Total Clouds (% Sky Obscured)

97
98
100
100
98
100
99
98
97
97
94
95
97
98
99
99
100
100
100
100
100
97
93
91

Low Clouds (% Sky Obscured)

95
98
100
100
96
100
98
95
92
92
91
89
93
95
97
94
92
89
91
92
64
63
62
61

Medium Clouds (% Sky Obscured)

85
88
31
83
38
43
47
52
45
54
46
34
37
32
48
64
59
90
40
24
0
1
1
0

High Clouds (% Sky Obscured)

30
47
62
57
57
55
37
19
5
13
21
42
54
28
26
36
48
86
100
88
100
86
69
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 (%)

37
29
21
13
9
5
9
9
6
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
6
6
6
6
7
7
6
6
6

Relative Humidity (%)

82
84
88
90
88
91
91
93
93
93
93
93
96
91
88
88
87
84
82
81
78
72
70
70

Pressure (mb)

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

Ozone (du)

385
382
378
374
374
373
372
371
368
367
366
361
355
353
351
351
349
347
346
345
344
344
343
341

Tuesday 17

Waning Crescent 0%

05:54

16:24

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

Sun - Rise: 06:08, Set: 18:11, Transit: 12:10. Moon - Rise: 05:54, Set: 16:24. Civil Dark: 18:44 - 05:35. Nautical Dark: 19:23 - 04:55. Astro Dark: 20:04 - 04:14

Total Clouds (% Sky Obscured)

90
88
86
79
71
64
48
30
16
28
37
42
41
42
44
39
28
19
13
6
0
6
11
17

Low Clouds (% Sky Obscured)

60
64
62
60
56
52
38
24
10
18
28
37
41
42
44
32
25
19
13
6
0
6
11
17

Medium Clouds (% Sky Obscured)

0
0
0
2
35
27
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

38
31
20
20
15
15
15
15
15
20
25
30
30
28
20
21
12
4
2
1
0
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 (%)

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 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
14
13
11
9
8
7
6
5
5
4
4
4
4
4
4
6
7
7
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
5
5
5
5
5
4
4
4
4
3
3
3
3
4
5
6
6
7
8
8
15
14

Dew Point (°C)

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

Relative Humidity (%)

72
74
80
84
90
90
91
91
90
91
91
91
93
93
93
93
90
85
81
76
71
67
63
61

Pressure (mb)

1012
1013
1013
1014
1014
1014
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1019
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

340
338
335
333
331
330
330
332
333
333
336
339
341
344
345
346
348
349
351
351
351
351
352
352

Wednesday 18

Waning Crescent 0%

06:06

17:46

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

Sun - Rise: 06:06, Set: 18:12, Transit: 12:10. Moon - Rise: 06:06, Set: 17:46. Civil Dark: 18:46 - 05:32. Nautical Dark: 19:25 - 04:53. Astro Dark: 20:06 - 04:12

Total Clouds (% Sky Obscured)

18
19
21
15
10
5
3
2
0
0
0
0
0
0
0
0
0
0
0
0
2
3
6
6

Low Clouds (% Sky Obscured)

11
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
12
19
15
10
5
3
2
0
0
0
0
0
0
0
0
0
0
0
0
2
3
6
6

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
16
16
10
9
9
8
7
6
5
5
4
4
4
4
3
4
5
5
6
7
12
12

Dew Point (°C)

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

Relative Humidity (%)

59
67
75
83
85
85
88
88
87
87
85
85
83
85
83
82
78
74
69
64
60
55
55
55

Pressure (mb)

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

Ozone (du)

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

Thursday 19

New Moon 3%

06:18

19:11

15 OK
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: 06:03, Set: 18:14, Transit: 12:10. Moon - Rise: 06:18, Set: 19:11. Civil Dark: 18:48 - 05:30. Nautical Dark: 19:27 - 04:50. Astro Dark: 20:08 - 04:09

Total Clouds (% Sky Obscured)

38
69
100
100
100
100
98
95
94
96
94
86
87
93
99
99
100
100
99
97
96

Low Clouds (% Sky Obscured)

6
9
11
8
4
0
9
17
26
32
38
39
34
28
21
17
16
18
18
19
18

Medium Clouds (% Sky Obscured)

7
13
20
17
18
20
25
31
43
41
40
35
35
45
35
40
46
51
58
66
74

High Clouds (% Sky Obscured)

38
69
99
81
57
30
27
25
11
7
10
7
4
4
5
10
10
10
10
15
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

Fog (%)

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

Precipitation Probability (%)

0
0
0
2
3
4
7
10
8
12
14
2
3
4
3
12
10
2
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
13
12
11
10
9
8
7
7
6
6
5
5
5
4
4
5
6
8
9
10

Feels Like (°C)

11
12
12
13
7
7
7
6
6
6
3
3
3
3
3
2
1
2
1
2
3

Dew Point (°C)

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

Relative Humidity (%)

55
62
70
77
80
82
85
87
87
86
85
85
83
82
82
83
79
78
74
74
74

Pressure (mb)

1023
1023
1023
1023
1023
1023
1024
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020

Ozone (du)

344
352
359
367
374
381
389
393
397
401
400
399
398
396
394
392
392
393
393
391
390

Forecast for Great Missenden, Buckinghamshire, United Kingdom (51.70,-0.70)

Generated: 13/03/26 15:10:19. Forecast: 13/03/26 to 19/03/26. Timezone: UTC+0.00