Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 25

First Quarter 50%

09:26

03:23

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

Sun - Rise: 06:08, Set: 18:42, Transit: 12:26. Moon - Rise: 09:26, Set: 03:23. Civil Dark: 19:14 - 05:36. Nautical Dark: 19:53 - 04:57. Astro Dark: 20:33 - 04:16

Total Clouds (% Sky Obscured)

80
71
64
55
36
50
37
38
34
41
38
37
66
26
42
31
48
50
52
66
66
77
82
71

Low Clouds (% Sky Obscured)

40
43
42
40
36
37
34
35
32
34
35
35
27
23
42
28
46
50
52
62
66
69
63
62

Medium Clouds (% Sky Obscured)

0
0
0
0
0
8
0
0
0
2
0
0
0
0
0
0
0
2
4
2
2
18
26
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
37
63
21
5
4
4
3
17
66
50
5
71
70

ISS Passover

Visibility (miles)

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

24
1
0
31
33
33
31
33
36
38
18
24
21
16
9
15
14
5
7
2
3
9
3
2

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)

27
28
27
28
28
27
28
28
27
27
26
26
25
23
22
21
20
19
18
17
16
16
16
16

Chance of Frost

Temperature (°C)

6
6
7
7
8
8
8
8
8
8
8
7
7
7
7
7
7
7
7
7
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
59
63
64
63
63
62
65
68
68
69
68
67
69
66
64
63
64
63
63
64
66
66
67

Pressure (mb)

1018
1019
1020
1020
1021
1021
1021
1022
1022
1022
1022
1023
1023
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1026

Ozone (du)

371
368
360
354
352
350
350
347
344
339
338
333
331
331
328
327
325
325
322
324
324
322
319
317

Thursday 26

Waxing Gibbous 61%

10:40

04:03

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:06, Set: 18:43, Transit: 12:26. Moon - Rise: 10:40, Set: 04:03. Civil Dark: 19:16 - 05:34. Nautical Dark: 19:54 - 04:55. Astro Dark: 20:35 - 04:14

Total Clouds (% Sky Obscured)

80
82
75
82
89
84
90
98
99
96
100
100
100
95
97
99
97
100
98
100
100
99
100
100

Low Clouds (% Sky Obscured)

63
68
65
64
61
69
74
65
73
61
56
61
95
93
79
87
89
100
93
100
93
78
68
61

Medium Clouds (% Sky Obscured)

25
30
30
41
50
36
54
56
65
57
70
61
94
86
88
89
84
72
73
68
100
98
72
66

High Clouds (% Sky Obscured)

68
51
5
10
17
7
9
75
67
71
56
100
100
68
80
76
66
80
86
87
96
88
39
35

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 (%)

4
2
1
1
0
0
0
0
0
1
4
6
5
11
1
4
15
9
5
9
19
14
12
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
68
64
62
61
62
64
66
67
69
77
81
85
87
87
88
88
90
91
91
90
90
93
95

Pressure (mb)

1026
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1024
1024
1024
1023

Ozone (du)

316
316
319
319
319
322
321
322
322
321
319
317
317
316
316
317
316
317
317
317
317
316
317
319

Friday 27

Waxing Gibbous 72%

12:01

04:30

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:04, Set: 18:45, Transit: 12:25. Moon - Rise: 12:01, Set: 04:30. Civil Dark: 19:17 - 05:31. Nautical Dark: 19:56 - 04:52. Astro Dark: 20:37 - 04:11

Total Clouds (% Sky Obscured)

100
98
100
100
97
97
100
98
97
94
98
75
48
45
75
100
100
81
59
41
49
64
81
70

Low Clouds (% Sky Obscured)

68
75
69
88
79
86
100
96
79
62
43
39
39
39
11
37
11
18
28
34
26
19
12
11

Medium Clouds (% Sky Obscured)

48
45
80
98
93
95
94
96
93
86
94
71
34
45
50
55
50
45
3
21
25
53
80
58

High Clouds (% Sky Obscured)

33
32
21
46
68
61
66
65
40
15
41
45
48
45
75
100
100
81
45
4
10
19
29
24

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
5
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
23
25
30
42
50
62
70
56
46
34
26
6
1
0
2
4
7
7
4
2
1
6
20

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
10
10
10
11
11
11
11
9
8
7
6
5
4
3
3
3
2
2
0
-1
0
2

Relative Humidity (%)

95
91
90
92
93
95
95
98
98
91
88
84
81
81
75
70
69
69
68
65
61
56
61
71

Pressure (mb)

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

Ozone (du)

317
315
315
316
316
318
317
315
315
316
316
318
320
322
325
328
331
335
338
342
347
351
361
375

Saturday 28

Waxing Gibbous 82%

13:25

05:50

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

Sun - Rise: 07:02, Set: 18:46, Transit: 12:25. Moon - Rise: 13:25, Set: 05:50. Civil Dark: 19:19 - 06:29. Nautical Dark: 19:58 - 05:50. Astro Dark: 20:39 - 05:09

Total Clouds (% Sky Obscured)

46
24
28
31
36
30
28
24
22
22
23
21
22
24
41
47
57
53
56
22
69
83
97
96

Low Clouds (% Sky Obscured)

5
1
15
27
36
30
27
22
21
20
20
19
17
17
21
24
27
20
10
1
14
25
38
37

Medium Clouds (% Sky Obscured)

38
22
15
7
0
0
0
0
0
0
0
0
0
1
1
0
0
0
3
4
69
66
63
72

High Clouds (% Sky Obscured)

10
0
0
0
0
0
0
4
0
1
5
3
6
7
41
47
57
53
56
22
64
74
84
85

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 (%)

12
11
26
32
31
32
20
5
6
4
1
3
2
1
1
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)

16
18
19
20
21
22
23
23
23
22
20
19
18
17
17
15
14
13
11
10
9
9
8
9

Chance of Frost

Temperature (°C)

7
8
8
8
8
8
9
9
9
9
9
8
8
8
8
8
8
7
7
7
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
70
69
62
59
57
58
60
62
61
64
67
64
64
65
65
65
68
69
70
69
66
71
75

Pressure (mb)

1029
1030
1030
1031
1031
1032
1032
1032
1033
1034
1034
1035
1036
1036
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037

Ozone (du)

378
385
391
390
389
386
386
383
382
380
382
382
379
378
376
376
376
375
373
374
373
373
369
368

Sunday 29

Waxing Gibbous 90%

15:47

06:06

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:00, Set: 19:48, Transit: 13:25. Moon - Rise: 15:47, Set: 06:06. Civil Dark: 20:20 - 06:27. Nautical Dark: 21:00 - 05:48. Astro Dark: 21:41 - 05:06

Total Clouds (% Sky Obscured)

96
95
94
95
96
96
98
99
100
100
99
99
98
99
100
96
95
93
92
90
87
86
86
80

Low Clouds (% Sky Obscured)

37
40
50
52
65
68
82
90
95
96
97
98
92
92
86
73
59
54
61
65
67
68
68
67

Medium Clouds (% Sky Obscured)

72
76
89
89
90
91
78
26
33
33
35
34
20
23
20
13
6
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

85
78
71
67
61
59
72
86
100
87
75
68
81
81
83
65
40
30
39
37
36
29
23
21

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
1
3
0
0
2
4
6
7
12
34
25
9
7
6
4
4
4
4
4
3
2

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
9
11
12
14
15
17
18
19
20
20
20
20
19
19
20
20
20
20
20
19
19
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
4
4
4
5
5
5
4
4
4
5
5
5
5
5
5
4
4
4
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

75
77
74
70
70
72
73
74
76
78
81
83
81
84
87
88
90
91
95
93
95
95
95
96

Pressure (mb)

1037
1038
1038
1038
1038
1037
1037
1036
1036
1035
1035
1034
1034
1033
1033
1033
1033
1033
1033
1033
1032
1032
1033
1033

Ozone (du)

368
365
362
360
358
358
355
352
351
348
348
345
339
335
330
325
324
322
320
319
318
317
316
316

Monday 30

Waxing Gibbous 95%

17:05

06:19

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

Sun - Rise: 06:57, Set: 19:49, Transit: 13:24. Moon - Rise: 17:05, Set: 06:19. Civil Dark: 20:22 - 06:25. Nautical Dark: 21:01 - 05:45. Astro Dark: 21:43 - 05:03

Total Clouds (% Sky Obscured)

81
80
79
68
57
40
35
31
23
37
37
40
40
43
44
46
48
51
46
45
41
35
30
27

Low Clouds (% Sky Obscured)

72
76
79
68
57
40
35
31
23
37
37
40
40
43
44
46
44
45
40
35
34
31
25
25

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
9
11
13
18
17
17
17

High Clouds (% Sky Obscured)

16
9
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2

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
2
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)

17
17
18
18
18
19
19
18
18
18
17
17
17
15
15
14
13
13
13
13
13
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
9
8
8
8
8
8
8
8
8

Relative Humidity (%)

95
93
93
92
89
84
80
82
83
81
84
86
88
88
91
93
93
93
93
93
95
95
95
95

Pressure (mb)

1033
1034
1034
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036

Ozone (du)

315
315
315
315
316
317
318
317
315
314
314
314
314
314
313
313
313
312
312
311
311
310
310
309

Tuesday 31

Waxing Gibbous 99%

18:20

06:32

07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 Good
16 Good
17 Good
18 Good
19 Good
20 OK
21 OK
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:55, Set: 19:51, Transit: 13:24. Moon - Rise: 18:20, Set: 06:32. Civil Dark: 20:24 - 06:22. Nautical Dark: 21:03 - 05:43. Astro Dark: 21:45 - 05:01

Total Clouds (% Sky Obscured)

25
20
21
20
29
37
28
20
11
11
11
14
12
13
14
42
70
97

Low Clouds (% Sky Obscured)

25
20
21
20
29
37
28
20
11
11
11
14
12
13
14
27
25
23

Medium Clouds (% Sky Obscured)

23
20
21
20
29
29
22
15
8
5
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
2
2
7
11
13
7
4
1
2
3
4
5
6
6
29
52
75

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
1
0
0
0
0
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
6
6
6
7
7
9
9
9
9
9
9
7
7
7
7
7

Dew Point (°C)

8
8
8
8
8
8
8
8
8
8
8
7
7
7
7
6
6
6

Relative Humidity (%)

95
93
90
88
84
81
77
79
79
77
81
83
87
88
90
91
91
91

Pressure (mb)

1036
1036
1037
1037
1037
1036
1036
1036
1036
1035
1035
1035
1035
1035
1035
1035
1035
1035

Ozone (du)

309
308
308
308
308
309
309
310
310
311
311
311
311
311
312
312
313
315

Forecast for Constantine, Cornwall, United Kingdom (50.12,-5.17)

Generated: 25/03/26 07:30:36. Forecast: 25/03/26 to 31/03/26. Timezone: UTC+0.00