Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 9

Waning Gibbous 68%

01:45

08:32

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 OK
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:47, Set: 18:17, Transit: 12:32. Moon - Rise: 01:45, Set: 08:32. Civil Dark: 18:49 - 06:14. Nautical Dark: 19:27 - 05:37. Astro Dark: 20:05 - 04:56

Total Clouds (% Sky Obscured)

97
98
96
95
91
88
70
98
99
68
87
92
22
23
91
100
100
100
100
100
100
94
89
100

Low Clouds (% Sky Obscured)

89
91
90
94
87
82
66
52
49
50
80
89
22
23
51
60
51
73
57
56
47
41
47
43

Medium Clouds (% Sky Obscured)

58
59
56
58
58
49
7
37
35
28
25
14
3
0
9
15
2
50
55
60
98
90
81
100

High Clouds (% Sky Obscured)

2
0
0
0
0
0
2
93
99
56
13
3
5
0
87
100
100
100
100
100
92
75
75
70

ISS Passover

Visibility (miles)

5
6
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
Very 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 (%)

0
0
41
46
47
24
12
6
4
3
1
0
0
1
3
2
2
0
0
0
0
0
0
1

Precipitation Amount (mm)

0
0
0
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
11
11
11
11
11
11
11
10
9
9
9
9
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
93
88
83
80
76
73
75
75
75
78
84
88
93
90
87
85
84
81
80
78
78

Pressure (mb)

1017
1017
1017
1017
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1017
1017
1017
1017
1017
1016

Ozone (du)

390
391
392
392
393
391
389
385
381
379
381
382
382
387
393
394
395
402
407
408
409
401
398
397

Tuesday 10

Waning Gibbous 61%

02:49

09:02

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

Sun - Rise: 06:44, Set: 18:19, Transit: 12:32. Moon - Rise: 02:49, Set: 09:02. Civil Dark: 18:51 - 06:12. Nautical Dark: 19:29 - 05:35. Astro Dark: 20:07 - 04:54

Total Clouds (% Sky Obscured)

97
100
100
100
97
95
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
56
82
58

Low Clouds (% Sky Obscured)

26
22
32
44
65
74
72
76
64
92
95
90
92
91
96
100
95
100
73
41
73
54
67
53

Medium Clouds (% Sky Obscured)

96
83
68
79
87
75
77
97
97
100
100
100
100
100
99
95
86
100
76
100
96
18
55
45

High Clouds (% Sky Obscured)

80
100
25
34
79
67
57
52
66
67
100
100
56
100
34
52
100
100
100
100
100
52
1
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
9
9
4
4
9
5
4
2
4
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
None
Light Rain
None
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

1
2
4
2
1
8
20
33
23
53
87
95
95
93
56
79
61
93
66
18
9
12
22
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.7
1
0.7
0.8
0
0.4
0
0.7
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
13
15
18
20
22
23
24
25
26
26
27
24
23
23
23
23
24
26
24
23
22
24

Chance of Frost

Temperature (°C)

9
9
9
9
9
10
10
10
10
10
10
10
10
11
11
11
11
11
11
11
11
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
82
80
76
76
74
74
78
83
88
91
93
96
96
95
95
98
98
96
85
83
81
82

Pressure (mb)

1016
1016
1016
1016
1016
1016
1015
1015
1014
1013
1012
1011
1011
1010
1010
1010
1009
1009
1009
1009
1010
1010
1011
1012

Ozone (du)

397
400
397
392
386
381
377
373
369
364
360
357
352
347
348
343
339
339
341
344
350
357
355
363

Wednesday 11

Third Quarter 52%

03:44

09:42

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

Sun - Rise: 06:42, Set: 18:20, Transit: 12:31. Moon - Rise: 03:44, Set: 09:42. Civil Dark: 18:52 - 06:10. Nautical Dark: 19:30 - 05:32. Astro Dark: 20:09 - 04:51

Total Clouds (% Sky Obscured)

47
64
49
57
69
44
37
47
96
52
73
56
23
55
76
91
88
99
100
99
98
97
93
90

Low Clouds (% Sky Obscured)

41
45
49
57
32
44
37
47
64
40
71
53
12
49
40
45
37
92
76
73
70
67
67
67

Medium Clouds (% Sky Obscured)

45
45
1
0
31
0
0
0
0
6
45
28
23
47
50
17
10
6
6
6
6
8
17
26

High Clouds (% Sky Obscured)

3
0
0
0
0
0
0
4
54
52
44
55
23
55
72
67
64
95
100
96
93
90
83
77

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
7
7
18
5
1
0
0
3
19
4
1
0
4
13
3
2
4
2
22
3
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)

24
24
24
23
22
22
21
20
20
19
18
19
18
17
18
18
19
20
22
23
24
26
26
27

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
10
10
10
10
10
10
10
9
9
9
9
9
9
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
76
74
73
72
70
67
62
65
66
68
73
72
74
76
76
80
80
80
81
80
82
81
81

Pressure (mb)

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

Ozone (du)

368
376
382
380
376
371
366
365
361
356
352
350
351
352
354
361
368
371
373
373
369
369
367
365

Thursday 12

Waning Crescent 42%

04:27

10:34

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

Sun - Rise: 06:40, Set: 18:22, Transit: 12:31. Moon - Rise: 04:27, Set: 10:34. Civil Dark: 18:54 - 06:08. Nautical Dark: 19:32 - 05:30. Astro Dark: 20:11 - 04:49

Total Clouds (% Sky Obscured)

86
91
95
100
100
100
100
99
99
98
98
99
100
100
100
100
100
100
100
94
87
80
80
80

Low Clouds (% Sky Obscured)

67
77
86
95
90
85
81
83
84
86
89
93
97
87
77
68
59
50
42
46
47
51
57
60

Medium Clouds (% Sky Obscured)

36
43
47
74
84
93
48
38
37
31
28
24
26
94
100
99
100
100
100
94
87
80
72
58

High Clouds (% Sky Obscured)

59
70
85
100
82
63
50
38
24
59
73
89
100
100
100
100
100
100
100
85
67
35
25
25

ISS Passover

Visibility (miles)

9
9
9
9
9
6
4
4
9
9
9
9
9
9
3
5
8
9
9
9
9
5
3
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

18
29
18
4
8
15
25
52
75
92
93
90
75
72
73
68
95
92
95
82
63
64
67
54

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.5
0.7
0.7
0.7
0.4
0.4
0.3
0.2
0.9
0.6
0.9
0.5
0.3
0.3
0.3
0

Wind Speed/Direction (mph)

28
29
30
31
33
34
35
36
36
36
37
33
30
28
27
26
25
24
26
26
27
29
30
28

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
93
93
91
95
95
95
95
95
95
93
92
91
91
95
91
85
77
73
75
84
90
85

Pressure (mb)

1014
1013
1012
1012
1011
1010
1009
1008
1007
1006
1004
1004
1003
1003
1002
1001
1001
1001
1002
1001
1001
1000
1000
1000

Ozone (du)

359
356
349
342
342
342
345
347
347
351
354
359
364
365
364
365
371
375
379
385
385
388
393
405

Friday 13

Waning Crescent 32%

04:59

11:39

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 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:38, Set: 18:24, Transit: 12:31. Moon - Rise: 04:59, Set: 11:39. Civil Dark: 18:56 - 06:06. Nautical Dark: 19:34 - 05:28. Astro Dark: 20:12 - 04:47

Total Clouds (% Sky Obscured)

79
84
88
92
95
97
100
94
87
77
66
53
27
58
51
44
50
57
64
72
80
87
88
89

Low Clouds (% Sky Obscured)

63
57
47
40
53
66
79
57
67
49
48
44
27
34
38
42
42
37
34
39
45
55
53
46

Medium Clouds (% Sky Obscured)

45
59
73
87
91
96
100
93
60
48
26
6
0
20
20
16
22
29
35
48
56
70
61
45

High Clouds (% Sky Obscured)

25
15
10
10
30
60
85
57
28
0
0
0
0
0
0
0
1
2
2
4
6
8
35
62

ISS Passover

Visibility (miles)

6
4
7
4
2
5
4
9
7
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

52
47
44
46
48
52
56
59
68
58
43
30
13
31
26
32
28
28
29
28
26
28
28
28

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

27
26
24
22
22
22
23
24
24
24
24
25
24
24
26
27
28
27
26
25
24
22
21
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
79
75
75
76
74
81
69
61
59
63
61
59
61
65
69
73
73
74
74
74
73
71
71

Pressure (mb)

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

Ozone (du)

411
420
431
446
461
480
487
489
492
491
489
488
485
477
468
459
449
439
429
419
410
401
392
390

Saturday 14

Waning Crescent 23%

04:59

12:51

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

Sun - Rise: 06:36, Set: 18:25, Transit: 12:30. Moon - Rise: 04:59, Set: 12:51. Civil Dark: 18:57 - 06:04. Nautical Dark: 19:35 - 05:26. Astro Dark: 20:14 - 04:44

Total Clouds (% Sky Obscured)

88
89
90
92
84
76
68
78
90
100
99
99
99
97
96
94
92
91
89
73
60
46
44
32

Low Clouds (% Sky Obscured)

42
46
48
53
52
51
49
66
83
100
99
97
95
92
90
87
90
91
88
73
56
41
37
30

Medium Clouds (% Sky Obscured)

28
35
42
58
59
56
49
63
76
84
64
39
16
10
5
3
2
2
1
8
19
36
26
13

High Clouds (% Sky Obscured)

88
69
46
21
13
7
0
0
0
0
0
0
2
2
2
1
13
24
38
31
16
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

29
29
34
37
33
32
34
36
42
53
55
50
33
25
24
26
23
21
23
18
14
12
14
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
17
16
16
16
17
18
20
21
21
22
22
23
24
22
20
20
21
22
24
23
23
23
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
69
69
68
67
69
69
70
77
81
87
90
90
93
91
91
91
88
83
78
77
75
73
74

Pressure (mb)

1012
1012
1012
1013
1013
1013
1013
1012
1012
1011
1010
1010
1010
1009
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011

Ozone (du)

387
384
382
380
377
375
373
371
368
366
363
360
356
352
351
350
349
348
347
347
351
355
360
360

Sunday 15

Waning Crescent 15%

05:24

14:08

Sun - Rise: 06:34, Set: 18:27, Transit: 12:30. Moon - Rise: 05:24, Set: 14:08. Civil Dark: 18:59 - 06:01. Nautical Dark: 19:37 - 05:23. Astro Dark: 20:16 - 04:42

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for St Ives, Cornwall, United Kingdom (50.22,-5.48)

Generated: 09/03/26 04:59:52. Forecast: 09/03/26 to 15/03/26. Timezone: UTC+0.00