Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 8

Third Quarter 52%

01:32

12:52

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 OK
00 Good
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 04:42, Set: 21:17, Transit: 13:00. Moon - Rise: 01:32, Set: 12:52. Civil Dark: 22:04 - 03:55. Nautical Dark: 23:17 - 02:41. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

87
90
91
94
100
100
85
85
88
71
55
66
42
47
39
57
60
52
32
0
68
100
40
50

Low Clouds (% Sky Obscured)

66
67
78
75
82
56
69
65
77
52
55
44
42
47
37
39
41
28
32
0
9
35
40
42

Medium Clouds (% Sky Obscured)

87
79
91
92
98
100
75
81
88
71
0
16
0
0
2
11
10
9
0
0
0
25
4
4

High Clouds (% Sky Obscured)

0
0
0
5
100
100
50
6
50
37
0
0
0
0
0
0
0
0
0
0
33
58
40
3

ISS Passover

Visibility (miles)

9
9
9
9
6
9
7
3
4
6
5
4
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
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

86
69
86
76
95
95
82
77
92
74
54
49
30
14
7
12
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.4
1.3
1.2
0.3
0.4
0.7
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
14
14
13
13
14
15
15
16
16
16
16
15
14
13
12
11
10
9
9
8
8

Feels Like (°C)

9
10
11
11
11
10
11
11
12
12
13
14
13
14
13
13
11
10
9
8
8
7
7
5

Dew Point (°C)

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

Relative Humidity (%)

81
83
82
75
79
87
90
89
87
87
78
74
73
69
66
70
71
75
81
81
84
87
90
93

Pressure (mb)

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

Ozone (du)

369
368
368
366
370
373
381
383
386
394
402
405
408
410
411
410
409
409
410
410
410
410
409
408

Tuesday 9

Waning Crescent 41%

01:44

14:10

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

Sun - Rise: 04:42, Set: 21:17, Transit: 13:00. Moon - Rise: 01:44, Set: 14:10. Civil Dark: 22:05 - 03:54. Nautical Dark: 23:19 - 02:40. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

56
83
70
91
94
94
73
66
81
62
69
70
52
14
16
46
37
34
40
75
95
100
100
100

Low Clouds (% Sky Obscured)

47
82
67
69
52
52
56
63
68
60
39
48
24
13
14
38
21
6
11
8
19
37
45
49

Medium Clouds (% Sky Obscured)

6
9
33
83
84
38
18
6
17
0
19
18
19
2
6
0
0
0
1
13
35
47
61
100

High Clouds (% Sky Obscured)

3
3
4
2
0
0
0
0
0
2
1
1
1
7
16
39
37
34
40
69
90
93
25
30

ISS Passover

Visibility (miles)

9
9
9
9
9
6
5
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
13
24
50
65
68
48
45
39
14
18
28
31
4
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.4
0.4
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
13
14
14
15
15
15
16
16
16
14
13
12
10
9
9
9
9
9
9
8

Chance of Frost

Temperature (°C)

8
8
9
11
12
13
13
14
15
15
15
16
16
16
15
14
13
12
11
10
9
9
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
90
84
81
76
69
65
60
51
43
52
50
51
54
66
70
71
76
81
84
87
88
90
90

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1015
1015
1015
1015

Ozone (du)

407
405
406
408
410
413
413
413
409
401
398
398
398
398
401
402
403
402
401
399
398
398
401
404

Wednesday 10

Waning Crescent 30%

01:58

15:32

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 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: 04:41, Set: 21:18, Transit: 13:00. Moon - Rise: 01:58, Set: 15:32. Civil Dark: 22:06 - 03:54. Nautical Dark: 23:20 - 02:39. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
91
79
61
57
68
68
56
59
56
60
65
94
74
71
70
84
97
71
75
99
99
100
99

Low Clouds (% Sky Obscured)

58
83
54
49
49
47
43
17
3
15
27
23
31
5
0
0
21
44
36
35
42
49
49
48

Medium Clouds (% Sky Obscured)

100
48
33
23
21
25
15
18
59
15
11
9
5
12
25
25
24
25
26
27
33
34
45
57

High Clouds (% Sky Obscured)

35
2
2
0
0
5
3
5
3
0
0
65
66
62
58
46
36
92
35
63
92
95
100
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
9
7
8
5
9
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
1
18
44
41
32
42
53
60
35
23
33
20
5
2
0
0
0
0
9
15
21
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
9
10
11
12
13
14
15
16
16
17
17
17
16
16
15
13
12
12
11
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
84
80
73
67
60
54
49
54
57
59
55
54
66
67
69
75
79
83
87
90
91
93
91

Pressure (mb)

1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1018
1018
1018

Ozone (du)

406
408
410
413
416
414
412
412
413
415
413
407
401
398
397
396
395
394
393
390
386
384
381
376

Thursday 11

Waning Crescent 20%

02:15

17:00

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: 04:41, Set: 21:19, Transit: 13:00. Moon - Rise: 02:15, Set: 17:00. Civil Dark: 22:07 - 03:53. Nautical Dark: 23:21 - 02:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
98
99
99
100
100
100
100
96
92
88
91
95
100
92
83
75
62
56
47
49
54
60
66

Low Clouds (% Sky Obscured)

47
48
67
94
100
100
100
100
81
59
35
48
63
76
59
39
27
25
27
30
36
45
60
66

Medium Clouds (% Sky Obscured)

72
85
77
96
99
99
100
100
91
83
30
29
33
99
92
82
25
20
20
5
2
1
52
19

High Clouds (% Sky Obscured)

40
10
36
68
99
68
36
10
10
15
15
20
20
20
30
40
40
32
35
35
35
17
20
12

ISS Passover

Visibility (miles)

9
9
9
9
9
4
2
2
2
9
8
5
1
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

36
37
37
48
83
95
95
95
95
47
13
24
21
20
18
12
4
2
1
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.4
1.1
1.4
1.4
0.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
10
12
12
12
12
14
15
17
16
16
15
14
13
13
12
11
11
11
11
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
87
83
77
80
93
95
95
96
95
98
96
96
95
93
89
90
92
93
95
95
95
95
93

Pressure (mb)

1017
1017
1016
1016
1016
1015
1014
1013
1012
1011
1011
1010
1011
1011
1011
1012
1013
1013
1014
1014
1014
1015
1015
1015

Ozone (du)

371
367
361
359
357
353
354
350
350
350
349
346
345
345
343
342
341
338
336
336
334
334
333
333

Friday 12

Waning Crescent 11%

02:40

18:32

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

Sun - Rise: 04:41, Set: 21:19, Transit: 13:00. Moon - Rise: 02:40, Set: 18:32. Civil Dark: 22:07 - 03:53. Nautical Dark: 23:22 - 02:37. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

75
76
75
77
82
71
58
44
59
73
88
68
54
35
37
39
49
57
55
50
48
46
43
42

Low Clouds (% Sky Obscured)

71
73
66
61
57
49
43
38
47
57
66
54
42
30
37
39
49
57
50
42
43
43
43
42

Medium Clouds (% Sky Obscured)

35
0
10
21
23
16
9
0
12
25
37
26
15
4
12
4
0
1
1
2
1
1
0
0

High Clouds (% Sky Obscured)

2
1
3
2
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
7
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
11
13
5
11
11
6
20
25
31
22
17
14
6
15
13
0
1
1
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)

10
11
11
12
12
13
13
14
14
14
15
15
15
14
13
10
8
6
6
7
7
7
8
8

Chance of Frost

Temperature (°C)

13
13
13
14
15
16
17
18
18
19
19
19
19
19
18
17
16
14
14
13
13
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
89
87
82
81
74
77
80
80
75
71
67
72
76
81
86
92
93
93
95
95
95
95

Pressure (mb)

1016
1016
1017
1017
1018
1018
1018
1019
1019
1020
1020
1020
1021
1021
1022
1022
1023
1024
1024
1024
1025
1025
1025
1026

Ozone (du)

333
334
334
335
336
339
338
339
339
338
340
341
342
341
340
340
341
342
342
342
342
342
342
341

Saturday 13

Waning Crescent 5%

03:17

20:05

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

Sun - Rise: 04:41, Set: 21:20, Transit: 13:01. Moon - Rise: 03:17, Set: 20:05. Civil Dark: 22:08 - 03:53. Nautical Dark: 23:24 - 02:37. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

40
38
36
33
31
27
23
20
25
28
33
33
30
30
26
20
13
22
32
40
64
83
97
93

Low Clouds (% Sky Obscured)

38
34
31
30
28
24
21
18
22
25
30
33
30
30
25
17
8
5
3
0
24
46
72
72

Medium Clouds (% Sky Obscured)

1
1
2
3
4
4
4
3
2
2
3
2
1
0
2
4
5
5
5
5
20
34
47
38

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
6
14
13
20
28
35
61
80
93
74

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
2
2
1
2
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
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
13
13
15
17
18
19
21
22
23
23
24
23
23
22
21
19
17
16
15
14
14
14
14

Feels Like (°C)

13
12
12
15
16
16
17
18
19
25
25
24
24
24
24
22
21
21
20
20
19
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

93
92
87
80
75
69
64
61
57
56
56
53
57
61
65
70
78
85
85
85
86
87
89
90

Pressure (mb)

1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025

Ozone (du)

341
341
340
340
340
340
340
341
342
342
343
343
344
345
345
346
346
346
348
349
350
351
353
354

Sunday 14

Waning Crescent 1%

04:13

21:29

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: 04:41, Set: 21:21, Transit: 13:01. Moon - Rise: 04:13, Set: 21:29. Civil Dark: 22:09 - 03:53. Nautical Dark: 23:25 - 02:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

88
84
79
84
87
89
91
94
93
92
94
93
91
88
86
78
66
70
75
81

Low Clouds (% Sky Obscured)

75
70
74
82
87
88
85
87
78
67
59
50
43
37
32
27
23
35
50
65

Medium Clouds (% Sky Obscured)

27
14
13
12
11
11
9
10
20
29
36
24
13
0
0
0
0
0
1
1

High Clouds (% Sky Obscured)

52
28
17
4
1
4
8
12
17
23
25
15
10
10
10
10
10
10
14
18

ISS Passover

Visibility (miles)

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

Precipitation Type

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
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
15
16
17
18
19
19
20
20
20
20
20
20
19
17
15
13
13
13

Feels Like (°C)

13
12
12
15
15
15
15
16
17
19
19
18
19
19
19
16
16
16
15
14

Dew Point (°C)

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

Relative Humidity (%)

87
84
83
75
71
64
61
57
55
54
54
53
58
61
67
71
78
84
82
79

Pressure (mb)

1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1023
1023
1023
1023
1022
1023
1023
1023
1023
1023

Ozone (du)

355
356
358
357
356
355
354
354
354
353
352
351
351
350
350
349
349
348
348
348

Forecast for Welwyn Garden City, Hertfordshire, United Kingdom (51.80,-0.21)

Generated: 08/06/26 05:50:42. Forecast: 08/06/26 to 14/06/26. Timezone: UTC+1.00