Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waxing Gibbous 91%

18:52

01:42

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

Sun - Rise: 04:43, Set: 21:23, Transit: 13:03. Moon - Rise: 18:52, Set: 01:42. Civil Dark: 22:12 - 03:55. Nautical Dark: 23:28 - 02:39. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

23
0
85
81
100
100
86
100
38
29
50
49
96
47
59
17
4
3
13
36
78
65
76
50

Low Clouds (% Sky Obscured)

0
0
5
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
38
58
75
60
34
19
6
3
50
47
25
27
31
15
4
0
8
3
4
41
37
23

High Clouds (% Sky Obscured)

0
0
80
66
100
100
79
100
38
29
6
10
94
20
24
0
0
3
4
24
53
33
49
20

ISS Passover

Visibility (miles)

9
9
9
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

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

Precipitation Probability (%)

5
0
46
38
17
6
9
9
3
2
0
1
0
0
0
0
0
0
0
0
0
0
0
2

Precipitation Amount (mm)

0
0
0.2
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
10
8
5
6
8
7
5
5
6
8
9
11
12
12
12
13
14
13
12
12
10
8
7

Chance of Frost

Temperature (°C)

23
22
22
22
22
22
23
23
25
27
29
30
32
33
34
34
35
34
34
32
31
29
27
25

Feels Like (°C)

23
23
22
24
24
23
24
25
26
28
30
31
31
32
34
34
34
34
33
32
31
30
28
26

Dew Point (°C)

18
17
17
19
20
20
20
21
22
21
20
19
19
19
19
19
18
17
17
16
19
20
20
19

Relative Humidity (%)

72
72
72
81
85
85
85
88
83
71
59
51
46
44
41
40
36
36
36
38
48
58
65
70

Pressure (mb)

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

Ozone (du)

318
316
307
303
305
307
309
309
310
313
311
312
313
315
318
317
318
318
318
317
317
316
315
314

Friday 26

Waxing Gibbous 89%

20:00

02:08

23 OK
00 Bad
01 Bad
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
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

Sun - Rise: 04:44, Set: 21:23, Transit: 13:04. Moon - Rise: 20:00, Set: 02:08. Civil Dark: 22:11 - 03:56. Nautical Dark: 23:28 - 02:40. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

39
72
47
40
90
79
75
57
48
16
82
72
78
92
100
66
81
65
100
100
52
54
100
78

Low Clouds (% Sky Obscured)

0
0
0
0
1
6
17
7
0
0
0
0
0
0
0
22
20
18
27
26
0
0
2
14

Medium Clouds (% Sky Obscured)

18
15
15
39
58
56
66
33
26
11
0
0
46
55
55
2
17
21
24
46
52
25
20
78

High Clouds (% Sky Obscured)

13
44
18
4
44
25
4
3
41
6
70
52
53
84
100
63
71
37
100
100
52
52
100
60

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 (%)

1
2
5
12
6
10
11
10
9
3
0
0
0
0
1
0
1
0
2
5
5
14
41
24

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
4
4
4
4
3
3
4
6
7
9
10
10
9
10
10
10
10
11
11
10
7
7

Chance of Frost

Temperature (°C)

24
23
22
21
20
20
19
20
21
22
24
26
27
28
28
28
29
29
29
29
28
26
25
24

Feels Like (°C)

25
25
24
23
21
21
21
21
22
23
25
25
27
28
27
26
29
28
27
26
26
26
25
23

Dew Point (°C)

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

Relative Humidity (%)

71
74
75
80
79
77
78
74
70
66
57
46
43
41
38
36
36
36
36
40
45
50
59
67

Pressure (mb)

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

Ozone (du)

314
313
314
313
314
313
314
315
315
314
315
315
317
317
317
317
316
314
314
313
311
310
311
314

Saturday 27

Waxing Gibbous 96%

20:58

02:43

23 Bad
00 Bad
01 OK
02 OK
03 OK
04 Good
05 OK
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

Sun - Rise: 04:44, Set: 21:23, Transit: 13:04. Moon - Rise: 20:58, Set: 02:43. Civil Dark: 22:11 - 03:56. Nautical Dark: 23:27 - 02:41. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

58
66
38
23
42
7
25
53
52
52
44
46
87
99
100
100
95
83
70
69
66
52
67
61

Low Clouds (% Sky Obscured)

12
0
3
19
0
7
25
53
51
46
44
36
69
60
71
57
86
74
15
58
53
4
0
0

Medium Clouds (% Sky Obscured)

6
22
0
2
0
0
0
0
37
46
44
46
24
44
50
36
33
22
2
0
0
0
0
0

High Clouds (% Sky Obscured)

57
56
38
2
39
0
1
0
0
0
2
46
39
45
45
48
53
3
50
45
22
36
48
40

ISS Passover

Visibility (miles)

6
4
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

23
19
0
0
0
0
0
0
0
10
37
25
30
4
4
3
0
1
0
4
2
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
20
19
18
19
18
18
18
19
19
20
21
20
21
21
22
22
22
22
21
19
18
17
15

Dew Point (°C)

17
18
17
17
16
15
15
15
14
14
13
13
12
12
13
14
14
14
13
12
12
11
10
9

Relative Humidity (%)

74
82
86
85
83
85
85
85
78
69
64
59
53
52
52
52
57
54
50
49
53
53
57
60

Pressure (mb)

1016
1016
1016
1015
1015
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1020
1021
1022
1023

Ozone (du)

316
320
327
335
338
340
337
336
336
333
330
327
328
327
325
323
324
324
324
324
324
327
331
336

Sunday 28

Waxing Gibbous 99%

21:44

03:30

23 Bad
00 Bad
01 Good
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 OK
18 OK
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 04:45, Set: 21:23, Transit: 13:04. Moon - Rise: 21:44, Set: 03:30. Civil Dark: 22:11 - 03:57. Nautical Dark: 23:27 - 02:42. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

58
59
18
23
99
54
100
100
95
89
78
80
86
93
95
98
91
51
45
37
64
68
68
77

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
10
20
29
31
32
31
21
10
0
1
2
3
36
41
45
38

Medium Clouds (% Sky Obscured)

0
0
1
2
3
2
1
0
0
0
0
11
26
42
73
89
75
43
37
28
27
25
25
22

High Clouds (% Sky Obscured)

35
34
18
23
99
54
100
100
80
60
40
40
40
40
57
78
84
43
23
1
4
20
28
52

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
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)

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

Chance of Frost

Temperature (°C)

16
15
14
13
13
12
12
13
13
15
17
19
20
21
22
22
23
23
23
23
22
21
20
18

Feels Like (°C)

13
12
10
12
12
9
11
11
12
13
15
17
18
19
20
20
20
21
22
22
21
19
17
15

Dew Point (°C)

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

Relative Humidity (%)

59
62
63
68
70
76
81
80
72
65
57
51
44
38
35
34
34
33
33
34
42
51
54
55

Pressure (mb)

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

Ozone (du)

337
329
333
336
338
341
338
334
335
334
332
335
336
337
337
341
344
344
345
343
343
341
342
343

Monday 29

Waxing Gibbous 100%

22:18

04:30

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
22 Bad

Sun - Rise: 04:46, Set: 21:23, Transit: 13:04. Moon - Rise: 22:18, Set: 04:30. Civil Dark: 22:10 - 03:58. Nautical Dark: 23:26 - 02:43. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

89
98
100
100
100
100
100
100
100
100
100
65
65
65
76
84
91
87
83
79
77
74
70
67

Low Clouds (% Sky Obscured)

11
0
4
9
13
18
20
22
15
9
2
0
0
0
18
37
55
52
45
44
46
52
59
50

Medium Clouds (% Sky Obscured)

20
19
37
80
100
100
100
89
90
100
95
52
46
41
44
51
45
47
40
38
39
37
38
49

High Clouds (% Sky Obscured)

77
98
99
100
100
100
100
100
100
100
98
59
65
65
47
23
0
0
0
0
7
13
10
5

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
1
1
4
5
2
8
8
2
16
18
7
9
5
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
4
4
3
3
4
4
3
4
4
5
6
5
5
5
5
6
7
6
6
8
7
7
8

Chance of Frost

Temperature (°C)

17
16
15
15
14
14
14
14
15
16
18
19
20
21
22
22
22
22
21
21
21
19
18
17

Feels Like (°C)

15
15
14
13
13
12
12
12
13
14
15
16
19
20
21
21
21
21
21
20
20
18
17
17

Dew Point (°C)

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

Relative Humidity (%)

58
62
67
70
70
67
64
63
60
57
52
47
44
42
40
39
39
39
41
42
44
48
51
55

Pressure (mb)

1025
1025
1025
1025
1025
1025
1024
1024
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1024
1024

Ozone (du)

344
344
344
343
347
347
350
352
353
352
354
356
358
364
367
361
355
349
346
343
339
337
335
333

Tuesday 30

Full Moon 99%

22:43

05:39

23 Bad
00 Bad
01 Bad
02 OK
03 OK
04 OK
05 Good
06 Good
07 OK
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

Sun - Rise: 04:46, Set: 21:22, Transit: 13:04. Moon - Rise: 22:43, Set: 05:39. Civil Dark: 22:10 - 03:59. Nautical Dark: 23:25 - 02:44. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

64
61
49
38
30
22
16
9
32
54
76
79
82
87
76
65
57
62
68
72
78
83
88
90

Low Clouds (% Sky Obscured)

39
26
19
9
0
9
16
9
32
54
76
79
75
71
71
65
57
62
68
66
69
70
73
80

Medium Clouds (% Sky Obscured)

60
61
49
35
21
20
16
9
10
12
11
29
48
64
59
57
55
47
35
22
26
29
30
12

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
8
17
30
25
18
8
6
4
3
3
3
3
10
16
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
0
0
0
0
0
0
0
0
0
1
1
2
2
0
1
0
0
0
2
3
11

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

Chance of Frost

Temperature (°C)

17
16
15
15
14
13
14
15
15
17
19
20
21
22
23
23
23
23
23
23
22
22
20
19

Feels Like (°C)

17
16
16
12
13
12
13
13
13
14
16
16
17
17
18
21
20
20
20
21
21
18
18
17

Dew Point (°C)

8
8
8
8
8
8
9
9
9
9
10
10
10
9
9
10
10
10
12
14
15
15
15
14

Relative Humidity (%)

57
58
59
62
66
69
69
68
67
61
55
50
47
44
41
42
42
44
49
55
62
66
69
72

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

333
332
332
332
332
332
331
329
328
328
328
328
327
326
325
325
325
325
326
327
328
329
330
331

Wednesday 1

Waning Gibbous 96%

23:02

06:53

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

Sun - Rise: 04:47, Set: 21:22, Transit: 13:05. Moon - Rise: 23:02, Set: 06:53. Civil Dark: 22:10 - 04:00. Nautical Dark: 23:24 - 02:46. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
95
80
69
61
56
64
60
61
64
63
43
21
0
1
1
2
17
31
46

Low Clouds (% Sky Obscured)

87
94
69
47
25
23
21
20
36
41
46
31
17
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

8
5
3
1
0
0
0
0
0
0
0
0
1
0
1
1
2
4
5
6

High Clouds (% Sky Obscured)

19
18
13
8
0
2
4
6
7
9
12
10
5
0
0
0
1
14
26
38

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 (%)

13
10
8
7
7
11
12
6
8
5
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)

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

Chance of Frost

Temperature (°C)

19
18
17
16
16
15
15
15
15
16
17
19
20
21
22
23
24
24
24
24

Feels Like (°C)

17
17
17
14
15
15
14
13
13
14
14
13
14
14
15
20
21
20
21
22

Dew Point (°C)

14
15
14
14
14
14
12
12
11
10
9
8
8
7
7
7
6
6
6
6

Relative Humidity (%)

76
81
85
87
90
93
86
80
74
65
57
50
45
41
37
35
32
30
31
31

Pressure (mb)

1020
1020
1021
1021
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022

Ozone (du)

330
329
328
327
326
324
324
324
325
324
323
322
322
322
322
322
323
323
324
324

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

Generated: 25/06/26 22:25:29. Forecast: 25/06/26 to 01/07/26. Timezone: UTC+1.00