Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

First Quarter 48%

13:56

00:46

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

Sun - Rise: 04:42, Set: 21:23, Transit: 13:02. Moon - Rise: 13:56, Set: 00:46. Civil Dark: 22:12 - 03:53. Nautical Dark: 23:28 - 02:37. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

63
73
69
86
31
33
26
34
41
19
56
11
14
2
38
48
75
91
28
56
86
100
45
58

Low Clouds (% Sky Obscured)

34
47
32
16
23
30
26
29
24
16
10
10
13
0
0
0
0
0
11
0
17
5
0
4

Medium Clouds (% Sky Obscured)

35
27
0
0
0
0
0
0
0
0
0
0
0
0
9
10
13
3
4
4
0
2
7
19

High Clouds (% Sky Obscured)

63
62
64
54
19
33
6
34
41
19
56
5
10
2
36
40
51
77
28
56
44
93
45
46

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
8

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

Chance of Frost

Temperature (°C)

26
26
25
23
22
20
19
18
17
16
16
15
15
16
17
19
21
23
25
26
27
28
28
28

Feels Like (°C)

27
26
25
25
23
21
19
19
16
15
15
15
16
16
17
19
20
22
24
25
26
28
26
26

Dew Point (°C)

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

Relative Humidity (%)

56
59
67
70
75
85
91
93
93
93
93
95
95
93
85
80
75
68
65
61
58
56
56
57

Pressure (mb)

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

Ozone (du)

336
336
335
334
333
332
330
329
328
328
329
329
327
326
324
323
322
322
322
323
324
324
323
321

Monday 22

Waxing Gibbous 59%

15:10

00:57

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 04:42, Set: 21:23, Transit: 13:03. Moon - Rise: 15:10, Set: 00:57. Civil Dark: 22:12 - 03:54. Nautical Dark: 23:28 - 02:37. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

88
81
76
96
92
92
97
97
96
96
100
99
96
98
54
92
81
89
93
31
94
100
92
85

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0

Medium Clouds (% Sky Obscured)

33
40
42
26
35
23
31
68
26
41
93
82
87
80
28
23
25
19
25
0
4
0
0
0

High Clouds (% Sky Obscured)

59
54
36
87
85
54
82
48
52
59
62
60
62
70
2
64
43
76
73
31
76
100
92
71

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
5
7
3
5
1
0
11
0
3
12
6
5
7
2
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

27
26
25
24
22
20
20
19
19
19
19
19
19
20
21
22
24
26
28
30
32
34
35
35

Feels Like (°C)

26
25
24
23
21
20
20
18
18
20
20
18
19
20
21
24
25
27
29
31
34
36
35
36

Dew Point (°C)

18
18
18
18
17
17
16
16
15
16
16
17
18
18
18
18
18
17
18
17
17
17
17
17

Relative Humidity (%)

57
61
64
69
75
79
81
81
80
81
84
89
91
89
84
76
68
60
54
46
40
36
34
34

Pressure (mb)

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

Ozone (du)

320
319
318
317
317
321
325
330
331
329
327
328
329
327
322
320
319
318
317
317
317
317
315
314

Tuesday 23

Waxing Gibbous 69%

16:25

01:09

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

Sun - Rise: 04:42, Set: 21:23, Transit: 13:03. Moon - Rise: 16:25, Set: 01:09. Civil Dark: 22:12 - 03:54. Nautical Dark: 23:28 - 02:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

21
51
17
34
25
22
13
30
30
30
40
3
3
12
9
19
4
17
20
24
27
28
26
20

Low Clouds (% Sky Obscured)

0
0
0
7
0
0
0
0
0
0
0
0
0
4
9
19
3
0
20
24
25
23
19
12

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
6
4
0
0
0
0
0
0
0
11
5
1
3
6
3
2

High Clouds (% Sky Obscured)

21
51
17
34
25
22
13
30
30
30
40
2
2
10
2
0
2
2
2
2
3
4
6
6

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)

5
4
7
8
7
7
6
6
5
5
4
4
4
5
6
7
7
7
7
7
6
6
6
7

Chance of Frost

Temperature (°C)

35
35
33
31
29
27
26
24
24
24
23
22
22
22
23
25
26
28
30
31
32
33
34
34

Feels Like (°C)

38
38
35
32
30
28
26
26
24
24
24
23
24
25
25
27
29
30
32
33
35
35
36
36

Dew Point (°C)

17
18
22
23
23
22
20
20
20
19
19
18
17
17
17
17
18
18
19
19
19
19
19
19

Relative Humidity (%)

33
37
53
60
69
70
71
74
75
75
76
78
76
74
70
64
58
54
51
48
45
42
41
41

Pressure (mb)

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

Ozone (du)

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

Wednesday 24

Waxing Gibbous 78%

No Rise

01:24

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

Sun - Rise: 04:43, Set: 21:24, Transit: 13:03. Moon - Rise: No Rise, Set: 01:24. Civil Dark: 22:12 - 03:55. Nautical Dark: 23:28 - 02:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

13
7
21
46
47
81
78
60
85
84
86
48
85
84
77
63
33
66
83
86
97
98
93
71

Low Clouds (% Sky Obscured)

6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
2
2
2
1
7
15
21
29
39
33
25
22
22
18
14
3
2
1
0
2
4
6
11

High Clouds (% Sky Obscured)

5
5
21
44
47
67
68
60
53
38
23
8
23
20
40
48
27
66
83
82
97
98
91
63

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)

8
9
10
9
9
9
8
8
8
7
6
6
7
7
9
10
11
12
14
14
15
16
16
17

Chance of Frost

Temperature (°C)

34
33
32
29
26
24
23
21
20
20
19
19
19
20
21
23
25
27
29
30
31
31
31
31

Feels Like (°C)

36
35
34
32
28
26
23
22
21
19
20
18
20
19
20
22
24
27
27
28
29
28
28
29

Dew Point (°C)

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

Relative Humidity (%)

43
46
55
64
71
77
80
81
80
78
81
82
85
84
77
68
59
54
50
47
45
45
45
45

Pressure (mb)

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

Ozone (du)

317
317
316
315
315
315
315
315
315
315
314
315
315
315
315
314
314
313
312
314
314
316
320
317

Thursday 25

Waxing Gibbous 85%

17:39

01:42

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

Sun - Rise: 04:43, Set: 21:24, Transit: 13:03. Moon - Rise: 17:39, 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)

51
48
36
31
20
23
22
13
27
24
29
32
30
27
47
42
28
33
55
79
75
70
65
49

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

17
32
26
13
1
23
8
9
27
15
18
15
15
13
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

41
19
13
18
15
2
15
3
0
1
1
30
25
20
38
33
27
33
55
79
75
70
65
49

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
2
0
0
0
0
0
0
0
0
1

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
16
15
14
14
13
11
12
10
10
8
9
7
7
7
6
7
9
9
10
10
11
11
12

Chance of Frost

Temperature (°C)

30
29
28
26
25
24
24
23
22
22
22
22
21
22
22
23
25
27
28
30
31
31
31
31

Feels Like (°C)

29
28
27
25
22
22
22
21
22
21
23
22
20
20
21
21
22
23
23
24
26
30
29
27

Dew Point (°C)

17
17
17
16
15
14
14
14
14
14
14
15
16
16
17
16
16
16
15
15
15
14
14
13

Relative Humidity (%)

46
48
51
54
52
52
54
57
61
60
60
64
70
70
71
61
55
49
45
40
36
35
34
33

Pressure (mb)

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

Ozone (du)

316
317
321
319
317
313
312
310
309
309
309
310
309
310
310
311
311
311
312
312
312
312
311
311

Friday 26

Waxing Gibbous 91%

18:52

02:08

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

Sun - Rise: 04:44, Set: 21:23, Transit: 13:04. Moon - Rise: 18:52, Set: 02:08. Civil Dark: 22:12 - 03:56. Nautical Dark: 23:28 - 02:40. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

33
17
43
66
90
71
58
44
31
15
0
23
44
69
64
53
42
49
55
59
54
50
47
50

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
23
44
69
64
53
42
47
47
47
42
37
34
39

Medium Clouds (% Sky Obscured)

0
0
4
5
7
4
5
5
9
7
0
0
0
0
0
0
0
3
5
5
5
2
0
1

High Clouds (% Sky Obscured)

32
16
29
42
65
50
27
0
0
0
0
1
1
2
9
22
23
17
15
12
20
30
36
30

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 (%)

3
0
0
0
0
0
0
0
2
1
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)

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

Chance of Frost

Temperature (°C)

30
29
28
26
25
23
21
20
18
17
16
15
15
15
16
17
18
19
21
22
24
25
26
26

Feels Like (°C)

28
28
29
25
25
25
24
24
22
17
16
16
16
16
16
15
16
16
16
16
16
24
23
23

Dew Point (°C)

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

Relative Humidity (%)

36
38
41
46
53
60
62
64
65
71
75
80
82
83
83
78
74
71
63
55
49
45
41
37

Pressure (mb)

1014
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1017

Ozone (du)

310
308
307
307
307
306
307
308
308
308
309
309
310
312
313
312
312
311
311
311
311
312
312
313

Saturday 27

Waxing Gibbous 96%

20:00

02:43

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

Sun - Rise: 04:44, Set: 21:23, Transit: 13:04. Moon - Rise: 20:00, 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)

54
57
47
44
33
50
67
85
84
74
49
30
25
25
25
35
50
55
65
80

Low Clouds (% Sky Obscured)

47
49
31
16
0
8
17
26
39
49
49
30
25
25
25
30
30
19
16
10

Medium Clouds (% Sky Obscured)

2
2
3
3
4
9
12
24
39
43
43
30
25
25
25
35
47
53
64
70

High Clouds (% Sky Obscured)

29
30
22
14
0
3
6
10
8
7
6
27
25
25
25
35
50
55
65
80

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
0
0
0
0
0
8
20
33
27
22
17
16
13
3
6
7
1

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)

12
12
12
10
9
8
8
8
7
7
6
6
6
6
6
5
4
4
4
5

Chance of Frost

Temperature (°C)

25
25
24
22
20
18
17
17
16
15
15
15
15
16
17
18
20
21
23
24

Feels Like (°C)

23
24
23
23
22
22
21
21
20
15
15
16
15
15
14
19
19
19
20
21

Dew Point (°C)

11
12
12
13
13
13
12
12
11
11
11
12
12
12
12
11
11
11
9
8

Relative Humidity (%)

40
45
49
56
64
72
72
72
72
75
78
83
79
75
73
64
57
51
42
35

Pressure (mb)

1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

311
310
309
310
311
312
315
317
319
321
322
323
324
325
326
325
324
323
324
324

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

Generated: 21/06/26 17:40:26. Forecast: 21/06/26 to 27/06/26. Timezone: UTC+1.00