Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Waning Gibbous 88%

00:52

08:21

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

Sun - Rise: 05:14, Set: 21:26, Transit: 13:20. Moon - Rise: 00:52, Set: 08:21. Civil Dark: 22:09 - 04:31. Nautical Dark: 23:12 - 03:27. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
82
94
87
78
66
62
83
97
59
82
68
59
87
75
69
65
74
79
99
96
34

Low Clouds (% Sky Obscured)

59
69
66
62
63
72
68
63
52
72
68
56
70
68
59
71
60
54
49
56
53
51
54
30

Medium Clouds (% Sky Obscured)

39
32
10
75
89
65
29
3
11
35
45
36
50
3
2
41
30
20
18
27
15
2
45
0

High Clouds (% Sky Obscured)

27
23
0
23
5
8
7
5
3
5
2
0
0
0
0
0
0
3
6
3
43
49
24
4

ISS Passover

Visibility (miles)

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

Light Rain
Light Rain
None
None
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
69
49
60
69
62
48
46
52
60
62
51
41
22
32
29
31
18
18
19
23
23
25
29

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

21
23
27
28
28
28
27
27
26
26
27
28
29
29
29
29
28
25
23
21
20
20
18
17

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
13
13
14
14
14
14
14
13
13
13
13
13
13
13
12
13
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
89
87
86
92
90
90
90
90
90
87
86
86
83
84
86
83
79
74
71
66
67
71
72

Pressure (mb)

998
998
998
999
999
1000
1001
1001
1002
1003
1004
1005
1006
1006
1007
1008
1009
1009
1010
1011
1011
1012
1012
1012

Ozone (du)

413
410
409
407
401
399
401
397
395
394
394
395
396
394
391
387
384
380
378
375
371
368
363
360

Friday 5

Waning Gibbous 80%

01:11

09:33

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

Sun - Rise: 05:14, Set: 21:27, Transit: 13:20. Moon - Rise: 01:11, Set: 09:33. Civil Dark: 22:10 - 04:30. Nautical Dark: 23:13 - 03:26. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

57
69
74
67
57
46
66
100
98
96
97
100
100
100
100
100
100
100
100
99
98
97
100
81

Low Clouds (% Sky Obscured)

37
46
46
51
41
45
53
46
47
54
53
76
61
56
82
69
76
100
100
94
97
83
72
61

Medium Clouds (% Sky Obscured)

22
37
46
33
20
0
10
12
31
59
60
100
100
100
100
100
97
95
95
97
91
47
90
54

High Clouds (% Sky Obscured)

6
0
0
0
4
3
55
100
96
81
90
100
100
100
100
100
71
0
3
65
4
27
100
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
5
9
9
9
8
4
3
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

21
12
23
25
28
24
31
31
11
27
34
41
71
92
76
74
76
95
95
95
95
72
51
49

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0.4
0.4
0.4
1.2
0.7
1.3
0.9
0.3
0
0

Wind Speed/Direction (mph)

15
13
11
13
12
12
13
13
15
17
18
20
21
20
20
21
24
26
30
29
31
34
31
27

Chance of Frost

Temperature (°C)

12
12
12
12
12
13
13
13
14
14
14
14
13
13
13
13
13
13
13
13
13
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
71
73
72
71
70
66
66
70
68
65
68
74
74
81
86
84
83
89
90
93
93
93
93

Pressure (mb)

1012
1012
1012
1013
1013
1013
1013
1013
1012
1012
1012
1011
1010
1010
1009
1008
1007
1006
1005
1003
1002
1000
999
998

Ozone (du)

359
362
365
369
368
366
367
367
369
368
369
369
369
367
369
371
375
377
377
374
383
386
385
392

Saturday 6

Waning Gibbous 72%

01:27

10:47

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

Sun - Rise: 05:13, Set: 21:27, Transit: 13:20. Moon - Rise: 01:27, Set: 10:47. Civil Dark: 22:11 - 04:30. Nautical Dark: 23:15 - 03:25. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

89
96
82
67
74
96
100
95
100
88
82
61
74
99
100
100
82
100
100
100
100
97
92
83

Low Clouds (% Sky Obscured)

76
91
77
39
60
91
100
94
100
86
82
59
74
54
47
62
50
83
44
71
65
52
38
24

Medium Clouds (% Sky Obscured)

30
25
8
22
26
93
65
51
70
33
7
0
0
0
0
3
35
57
28
62
58
54
65
62

High Clouds (% Sky Obscured)

4
0
0
0
5
23
65
3
0
0
0
60
26
36
100
100
64
57
100
100
100
90
72
45

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

43
51
56
77
90
69
48
32
25
6
1
0
1
0
0
0
0
3
9
3
5
6
5
4

Precipitation Amount (mm)

0
0
0
0.4
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

25
22
19
14
15
23
21
25
31
32
32
31
29
28
26
23
21
18
16
16
17
17
17
16

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
15
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
14
13
13
13
13
12
10
11
10
10
9
9
9
9
9
10
10
10
11
12

Relative Humidity (%)

90
92
93
93
95
95
92
92
89
86
76
78
76
73
73
74
73
72
74
79
78
79
82
86

Pressure (mb)

997
996
996
996
997
999
1000
1002
1004
1007
1009
1010
1012
1013
1014
1015
1015
1016
1017
1017
1017
1017
1018
1018

Ozone (du)

403
410
411
404
393
394
396
400
402
396
391
383
380
376
371
367
366
366
366
364
364
362
364
362

Sunday 7

Waning Gibbous 62%

01:40

12:01

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

Sun - Rise: 05:13, Set: 21:28, Transit: 13:21. Moon - Rise: 01:40, Set: 12:01. Civil Dark: 22:12 - 04:29. Nautical Dark: 23:16 - 03:25. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

91
91
90
94
97
100
100
100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

34
42
55
55
55
55
46
35
33
42
46
43
47
50
50
51
52
52
59
65
72
73
72
73

Medium Clouds (% Sky Obscured)

60
64
62
64
69
70
54
39
24
29
37
38
32
94
98
96
95
94
95
97
100
100
100
100

High Clouds (% Sky Obscured)

68
62
52
68
80
76
100
99
79
100
100
100
100
100
100
100
100
100
100
100
100
100
100
56

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
7
7
8
4
8
4
4
3

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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

8
11
16
9
18
15
11
17
2
7
9
12
16
24
25
28
32
33
41
47
49
68
75
83

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0.5

Wind Speed/Direction (mph)

16
16
16
16
17
18
19
19
19
20
19
19
19
19
18
17
17
18
18
18
19
19
19
19

Chance of Frost

Temperature (°C)

14
14
14
15
15
15
15
16
16
16
16
16
16
16
15
15
15
15
15
15
15
15
15
14

Feels Like (°C)

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

Dew Point (°C)

12
12
13
13
13
14
14
13
13
13
13
13
13
13
13
13
13
14
13
14
14
14
14
13

Relative Humidity (%)

89
89
92
90
90
90
89
85
82
81
81
82
85
83
86
87
89
92
92
93
93
93
95
93

Pressure (mb)

1018
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1017
1016
1016
1015
1014

Ozone (du)

361
362
363
363
362
358
356
354
352
351
351
352
352
352
350
350
350
350
352
354
355
358
360
362

Monday 8

Third Quarter 52%

01:54

13:15

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

Sun - Rise: 05:13, Set: 21:29, Transit: 13:21. Moon - Rise: 01:54, Set: 13:15. Civil Dark: 22:13 - 04:29. Nautical Dark: 23:17 - 03:24. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
90
73
81
80
81
86
58
36
12
21
32
43
24
27
29
18
8
3
9
15
18

Low Clouds (% Sky Obscured)

83
92
100
77
53
37
37
40
41
29
21
12
21
32
43
14
22
28
16
8
2
9
15
18

Medium Clouds (% Sky Obscured)

100
100
100
60
60
60
60
55
45
30
13
0
0
0
0
4
3
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

70
70
70
70
73
81
58
33
4
3
1
0
0
0
0
0
0
0
0
0
0
0
1
1

ISS Passover

Visibility (miles)

3
9
7
8
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

82
84
95
93
87
75
68
55
46
37
28
16
18
24
28
32
26
21
23
24
24
26
25
24

Precipitation Amount (mm)

0.5
0.5
0.7
0.5
0.4
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
19
19
18
16
16
19
18
19
18
18
18
18
19
19
19
17
18
18
19
19
19
19
18

Chance of Frost

Temperature (°C)

15
14
15
14
14
14
14
14
14
14
14
14
14
14
14
13
13
13
13
13
13
13
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
95
93
92
86
82
75
69
67
66
66
70
73
78
76
74
72
69
70
70
71
71
71

Pressure (mb)

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

Ozone (du)

368
372
377
396
406
408
409
410
411
410
409
409
412
413
415
414
413
412
411
410
408
406
399
392

Tuesday 9

Waning Crescent 41%

02:07

14:32

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

Sun - Rise: 05:12, Set: 21:30, Transit: 13:21. Moon - Rise: 02:07, Set: 14:32. Civil Dark: 22:14 - 04:28. Nautical Dark: 23:18 - 03:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

35
54
71
71
69
69
66
62
59
70
80
89
79
69
57
65
71
72
73
74
75
83
90
95

Low Clouds (% Sky Obscured)

35
46
51
45
39
32
28
28
26
24
23
21
18
14
10
21
33
44
43
40
35
52
71
89

Medium Clouds (% Sky Obscured)

3
5
8
8
9
11
15
23
30
27
25
23
32
51
57
65
71
72
73
74
64
60
52
44

High Clouds (% Sky Obscured)

6
9
14
11
10
9
4
1
0
22
44
66
56
47
42
47
45
45
45
45
45
44
57
71

ISS Passover

Visibility (miles)

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

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
Very Light Rain

Precipitation Probability (%)

26
27
29
31
30
27
32
34
34
32
28
23
24
25
26
26
27
29
26
25
24
37
50
62

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
0.3

Wind Speed/Direction (mph)

18
17
16
16
16
16
17
17
17
17
17
17
17
16
15
15
14
14
13
15
16
17
19
19

Chance of Frost

Temperature (°C)

12
12
12
12
13
13
13
14
14
14
14
14
14
14
14
14
14
14
13
13
13
13
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
73
75
77
76
76
75
75
75
75
74
74
73
74
76
79
80
83
84
84
84
84
87
89

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1017
1017
1016
1015
1014

Ozone (du)

385
381
377
374
371
368
364
360
356
352
351
350
349
351
352
354
356
358
360
361
361
362
364
366

Wednesday 10

Waning Crescent 30%

02:23

15:52

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
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:12, Set: 21:31, Transit: 13:21. Moon - Rise: 02:23, Set: 15:52. Civil Dark: 22:15 - 04:28. Nautical Dark: 23:19 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

97
99
100
100
100
100
100
100
100
90
80
71
59
50
41
57
72
88
91
94
98

Low Clouds (% Sky Obscured)

90
92
91
86
81
76
76
76
75
81
80
71
59
50
41
50
50
50
45
45
50

Medium Clouds (% Sky Obscured)

57
71
84
72
60
44
53
66
78
73
62
57
48
44
41
45
49
53
66
69
72

High Clouds (% Sky Obscured)

74
78
75
74
81
89
92
96
100
71
39
9
17
23
28
34
50
67
77
89
98

ISS Passover

Visibility (miles)

4
6
7
9
8
6
4
6
8
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

Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
Very Light Rain

Precipitation Probability (%)

66
66
63
47
36
31
37
38
34
27
25
24
27
30
31
40
47
53
52
51
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

20
21
21
22
22
23
24
23
22
22
19
18
17
16
14
13
13
11
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
92
92
93
93
87
85
79
78
76
74
75
76
78
79
80
83
81
81

Pressure (mb)

1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

369
368
367
366
365
364
364
364
364
365
365
365
364
364
363
363
362
361
360
359
359

Forecast for Penzance, Cornwall, United Kingdom (50.12,-5.54)

Generated: 04/06/26 04:43:46. Forecast: 04/06/26 to 10/06/26. Timezone: UTC+1.00