Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 30

Waxing Gibbous 95%

18:01

06:02

22 Bad
23 Bad
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
18 Bad
19 Bad
20 Bad
21 Good

Sun - Rise: 06:38, Set: 19:34, Transit: 13:06. Moon - Rise: 18:01, Set: 06:02. Civil Dark: 20:08 - 06:04. Nautical Dark: 20:49 - 05:23. Astro Dark: 21:33 - 04:39

Total Clouds (% Sky Obscured)

84
76
87
71
36
82
90
89
100
96
96
97
90
86
87
80
99
91
94
58
85
80
40
9

Low Clouds (% Sky Obscured)

38
71
43
28
34
35
76
85
100
92
94
70
80
73
80
66
83
83
82
32
75
69
40
9

Medium Clouds (% Sky Obscured)

0
4
10
17
2
34
27
20
28
14
23
31
22
16
30
24
34
20
15
9
9
8
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
3
0
0
0
0
4
4
6
4
2
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 (%)

0
1
0
0
0
0
0
0
5
4
2
2
0
1
1
1
20
20
17
15
18
16
17
9

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
5
4
2
2
2
2
3
3
4
5
6
8
10
10
11
12
12
13
14
13
11
10

Dew Point (°C)

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

Relative Humidity (%)

90
91
94
94
88
86
85
85
85
86
88
90
90
84
84
84
68
65
68
71
75
83
84
84

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1029
1029
1029
1028
1028
1028
1028
1029
1029

Ozone (du)

314
314
313
313
313
311
313
314
315
319
320
324
323
319
316
315
313
313
314
315
316
316
316
317

Tuesday 31

Waxing Gibbous 99%

19:17

06:13

22 OK
23 OK
00 OK
01 OK
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
21 Bad

Sun - Rise: 06:36, Set: 19:36, Transit: 13:06. Moon - Rise: 19:17, Set: 06:13. Civil Dark: 20:10 - 06:02. Nautical Dark: 20:51 - 05:21. Astro Dark: 21:36 - 04:36

Total Clouds (% Sky Obscured)

24
43
36
38
56
78
66
76
77
80
65
79
83
68
85
86
73
96
96
88
72
98
95
73

Low Clouds (% Sky Obscured)

20
43
36
37
54
77
65
75
76
79
64
79
78
68
79
84
69
88
96
88
72
98
88
66

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
22
2
5
3
3
22
4
3
1
0
11
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
1
0
0
0
3
3
3
5
2
2
11
3
2
15

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
2
3
4
48
100
100
100
95
5
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 (%)

3
0
3
0
0
0
0
0
0
0
0
0
0
0
4
5
5
1
2
4
2
3
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
90
91
93
88
88
88
90
88
87
79
70
66
64
63
65
72
70
72
76
76
73
72

Pressure (mb)

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

Ozone (du)

319
319
321
322
321
321
321
322
322
325
326
324
325
329
334
332
330
329
327
328
331
333
334
333

Wednesday 1

Waxing Gibbous 100%

20:32

06:24

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 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:34, Set: 19:38, Transit: 13:06. Moon - Rise: 20:32, Set: 06:24. Civil Dark: 20:12 - 05:59. Nautical Dark: 20:53 - 05:18. Astro Dark: 21:38 - 04:34

Total Clouds (% Sky Obscured)

76
96
100
100
100
100
100
52
83
76
60
64
52
51
48
55
71
74
79
83
85
96
95
93

Low Clouds (% Sky Obscured)

70
78
93
100
87
85
51
43
78
70
42
49
52
51
48
55
71
67
55
62
58
43
30
19

Medium Clouds (% Sky Obscured)

26
84
100
100
100
100
100
52
0
0
0
0
0
2
0
0
5
0
5
34
38
40
40
64

High Clouds (% Sky Obscured)

6
9
84
100
100
100
100
30
28
0
0
0
18
1
0
0
4
50
49
54
9
27
18
15

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
1
4
7
2
0
1
2
1
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)

5
6
6
6
7
7
8
9
8
9
9
10
11
11
9
8
8
7
7
6
5
2
1
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
77
81
79
78
79
82
87
93
93
88
83
75
66
63
60
58
57
58
60
66
74
77
75

Pressure (mb)

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

Ozone (du)

334
336
336
339
339
340
343
347
355
362
366
369
372
372
370
372
370
368
368
370
373
373
374
375

Thursday 2

Full Moon 99%

21:48

06:36

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
21 Bad

Sun - Rise: 06:31, Set: 19:40, Transit: 13:05. Moon - Rise: 21:48, Set: 06:36. Civil Dark: 20:14 - 05:57. Nautical Dark: 20:55 - 05:16. Astro Dark: 21:40 - 04:31

Total Clouds (% Sky Obscured)

90
86
84
89
92
95
97
98
100
100
100
100
100
99
99
99
99
99
96
93
89
85
80
79

Low Clouds (% Sky Obscured)

15
9
3
16
19
51
65
76
86
90
95
100
99
99
98
92
86
79
76
75
69
74
74
73

Medium Clouds (% Sky Obscured)

54
83
84
64
91
92
78
96
93
59
48
51
41
77
45
51
65
67
78
78
57
66
26
20

High Clouds (% Sky Obscured)

10
1
10
14
13
17
45
70
97
95
86
97
87
78
71
65
42
31
21
34
34
30
20
13

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
11
18
26
29
33
42
40
35
29
23
18
19
18
15
4
8
9
6

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)

4
4
5
6
6
6
7
9
10
11
13
14
15
15
15
15
15
15
16
15
15
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
2
2
1
-0
-0
1
3
4
6
7
7
9
10
11
11
11
11
11
11
10
10

Relative Humidity (%)

76
82
86
82
82
76
68
67
71
78
82
87
88
88
90
91
93
90
90
87
89
95
96
95

Pressure (mb)

1018
1018
1017
1017
1016
1016
1015
1014
1014
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011
1012
1012
1013
1014

Ozone (du)

377
378
379
379
380
379
380
380
379
381
383
383
382
380
380
380
380
379
379
378
377
377
375
375

Friday 3

Waning Gibbous 96%

No Rise

06:50

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
21 Bad

Sun - Rise: 06:29, Set: 19:41, Transit: 13:05. Moon - Rise: No Rise, Set: 06:50. Civil Dark: 20:16 - 05:55. Nautical Dark: 20:57 - 05:13. Astro Dark: 21:43 - 04:28

Total Clouds (% Sky Obscured)

80
82
82
82
81
80
82
85
88
84
86
94
97
95
93
88
82
76
84
92
100
89
78
67

Low Clouds (% Sky Obscured)

77
80
82
82
79
74
65
63
61
61
64
63
68
69
70
67
65
63
65
68
70
63
57
51

Medium Clouds (% Sky Obscured)

34
29
3
4
6
3
16
30
42
34
24
19
26
40
45
34
27
19
23
37
40
20
9
0

High Clouds (% Sky Obscured)

15
20
20
27
29
37
36
35
35
40
56
68
49
29
11
9
7
5
33
60
85
73
69
63

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
7
2
5
3
0
0
0
0
0
0
0
0
1
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)

11
11
11
11
11
11
11
10
10
10
11
12
13
15
17
17
18
19
20
18
17
15
15
15

Chance of Frost

Temperature (°C)

10
10
10
9
9
9
8
8
8
7
8
10
11
12
14
15
15
15
15
14
13
12
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
95
91
91
87
90
91
90
84
80
76
72
68
66
67
68
69
69
69
70
72
75

Pressure (mb)

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

Ozone (du)

374
374
374
375
374
375
375
373
372
373
372
369
367
365
365
368
366
364
362
361
360
360
359
358

Saturday 4

Waning Gibbous 91%

23:04

07:08

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
21 Bad

Sun - Rise: 06:27, Set: 19:43, Transit: 13:05. Moon - Rise: 23:04, Set: 07:08. Civil Dark: 20:17 - 05:52. Nautical Dark: 20:59 - 05:10. Astro Dark: 21:45 - 04:25

Total Clouds (% Sky Obscured)

68
68
68
79
89
100
100
100
100
100
100
100
100
100
100
92
85
80
73
63
56
64
72
79

Low Clouds (% Sky Obscured)

55
59
64
66
67
71
75
78
83
83
84
85
71
58
40
45
51
57
51
45
38
25
13
0

Medium Clouds (% Sky Obscured)

0
1
1
9
15
18
45
71
97
98
99
98
97
96
96
76
54
32
25
16
13
24
40
52

High Clouds (% Sky Obscured)

57
51
45
60
77
100
100
100
100
100
100
100
99
99
98
68
38
8
9
10
16
44
67
79

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
6
8
8
3
6
6
4
7
10
10
18
22
25
27
29
33
30
32
29
24
17
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)

15
15
16
17
17
16
16
15
13
12
12
12
13
12
11
11
10
10
10
8
7
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
80
81
83
80
76
73
72
73
72
72
73
72
71
69
68
69
69
69
72
77
80
79
78

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1013
1014
1014
1015
1016
1017
1017
1018
1018
1019
1019
1019
1019
1020
1020
1020
1021

Ozone (du)

357
358
359
360
362
364
366
368
371
373
378
382
387
390
393
395
391
387
383
381
379
377
375
374

Sunday 5

Waning Gibbous 85%

00:18

07:33

22 Bad
23 OK
00 Good
01 OK
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
18 Bad

Sun - Rise: 06:25, Set: 19:45, Transit: 13:05. Moon - Rise: 00:18, Set: 07:33. Civil Dark: 20:19 - 05:50. Nautical Dark: 21:01 - 05:08. Astro Dark: 21:47 - 04:22

Total Clouds (% Sky Obscured)

52
26
5
21
37
53
68
84
100
100
100
100
100
99
99
99
100
100
96
92
87

Low Clouds (% Sky Obscured)

0
0
1
2
4
5
18
38
56
57
60
61
61
56
48
48
55
62
57
51
55

Medium Clouds (% Sky Obscured)

52
26
5
21
37
53
55
57
59
62
66
77
67
54
43
40
32
21
38
57
78

High Clouds (% Sky Obscured)

52
26
5
21
37
53
68
79
79
82
80
79
75
69
52
62
79
98
76
53
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5

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
Very Light Rain
Light Rain

Precipitation Probability (%)

6
4
0
0
0
0
1
3
3
5
7
1
4
9
11
12
15
19
34
56
78

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5

Wind Speed/Direction (mph)

3
2
2
4
5
5
6
7
8
9
10
12
13
14
15
16
17
17
18
17
16

Chance of Frost

Temperature (°C)

6
6
5
5
4
4
3
4
5
6
7
9
10
11
12
13
13
13
14
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
80
86
91
91
93
93
93
91
91
93
93
95
90
86
83
80
78
76
79
83

Pressure (mb)

1021
1020
1020
1020
1019
1018
1018
1017
1016
1015
1015
1014
1013
1012
1011
1011
1010
1009
1008
1008
1007

Ozone (du)

372
372
372
371
374
376
378
379
379
380
379
379
378
380
383
386
384
383
381
383
384

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

Generated: 30/03/26 22:47:25. Forecast: 30/03/26 to 05/04/26. Timezone: UTC+1.00