Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Full Moon 99%

22:18

04:30

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

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: 23:25 - 02:44. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

26
42
51
62
100
100
97
96
79
59
61
41
91
97
78
48
52
53
87
27
26
35
27
35

Low Clouds (% Sky Obscured)

26
16
25
25
56
45
41
48
32
32
36
26
86
93
71
32
38
18
44
8
23
30
19
26

Medium Clouds (% Sky Obscured)

26
42
51
62
100
88
85
68
38
27
51
31
44
44
35
34
35
52
55
19
0
0
0
0

High Clouds (% Sky Obscured)

26
42
11
62
100
97
82
78
57
32
2
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
9
9
9
9
9
9
9
9
8
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 (%)

95
17
1
1
22
20
18
4
0
0
0
0
0
0
1
5
16
7
3
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)

4
4
4
4
4
6
7
9
8
8
9
10
10
11
12
10
12
11
8
7
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
9
8
8
10
8
9
7
6
5
4
5
9
9
9
13
14
13
14
14
13
13

Relative Humidity (%)

55
56
60
67
62
61
63
53
51
43
38
35
32
33
43
46
47
65
74
77
83
89
90
90

Pressure (mb)

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

Ozone (du)

340
342
346
343
344
347
353
355
356
355
355
357
360
361
360
361
364
366
364
362
362
363
362
358

Wednesday 1

Waning Gibbous 96%

22:43

05:39

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

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: 23:24 - 02:46. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

38
39
55
37
58
39
53
69
71
76
67
42
82
77
74
80
62
70
56
53
48
8
35
32

Low Clouds (% Sky Obscured)

33
33
32
34
45
39
51
49
41
45
10
19
15
0
0
24
13
0
0
15
29
8
26
32

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
25
27
33
35
42
22
41
42
49
57
45
38
47
45
48
4
35
21

High Clouds (% Sky Obscured)

0
2
35
10
35
2
4
29
38
34
9
3
50
59
38
40
10
29
0
0
0
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
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
1
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)

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

Chance of Frost

Temperature (°C)

14
14
14
14
15
17
18
19
20
22
22
23
24
24
24
23
23
22
20
19
18
17
16
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
93
90
83
77
70
60
54
48
44
42
42
45
46
45
45
52
57
63
67
63
69
79

Pressure (mb)

1022
1022
1022
1022
1023
1023
1023
1023
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022

Ozone (du)

362
356
352
350
346
341
337
335
331
328
326
323
322
320
318
317
317
318
319
319
318
318
319
321

Thursday 2

Waning Gibbous 94%

23:02

06:53

03 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 Bad
00 Bad
01 OK
02 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: 23:23 - 02:47. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

36
64
100
100
69
75
39
100
74
99
45
35
61
55
60
50
55
77
61
45
81
76
45
28

Low Clouds (% Sky Obscured)

36
60
100
100
68
72
39
25
25
23
25
3
10
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

12
14
11
29
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
3
3
6
2
100
51
96
36
24
40
45
55
50
55
77
57
41
78
76
45
28

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
12
1
1
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)

13
14
14
15
15
18
18
18
18
16
17
16
16
15
15
15
13
11
9
8
8
7
6
6

Chance of Frost

Temperature (°C)

16
15
16
17
17
19
20
20
21
22
22
23
24
24
24
23
22
21
19
17
16
15
14
13

Feels Like (°C)

14
14
13
13
14
15
16
17
16
17
17
19
19
19
19
18
18
17
15
14
13
12
11
11

Dew Point (°C)

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

Relative Humidity (%)

86
89
92
85
83
72
59
52
47
41
37
35
34
32
34
36
39
45
49
53
61
66
70
74

Pressure (mb)

1021
1021
1020
1020
1020
1020
1021
1021
1022
1022
1023
1023
1024
1024
1024
1025
1026
1026
1027
1028
1028
1029
1029
1029

Ozone (du)

318
316
316
318
319
320
320
320
319
319
321
322
320
320
319
320
320
320
320
320
320
320
318
317

Friday 3

Waning Gibbous 91%

23:16

08:09

03 OK
04 OK
05 OK
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 OK
22 OK
23 OK
00 OK
01 OK
02 OK

Sun - Rise: 04:48, Set: 21:22, Transit: 13:05. Moon - Rise: 23:16, Set: 08:09. Civil Dark: 22:09 - 04:00. Nautical Dark: 23:22 - 02:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

19
20
25
26
31
30
34
34
29
24
25
22
25
26
22
18
25
32
37
33
32
28
21
17

Low Clouds (% Sky Obscured)

0
0
0
0
3
7
10
14
17
19
14
7
0
1
2
3
11
20
29
25
21
17
11
7

Medium Clouds (% Sky Obscured)

0
0
0
0
6
11
17
23
26
24
25
22
25
20
17
13
13
11
9
12
15
17
14
9

High Clouds (% Sky Obscured)

19
20
25
26
31
30
34
34
20
0
0
0
0
0
0
0
0
2
2
1
2
2
0
1

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)

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

Chance of Frost

Temperature (°C)

12
12
12
13
14
16
18
20
21
23
24
24
25
26
25
25
25
23
22
20
19
18
17
16

Feels Like (°C)

12
11
12
13
15
17
20
21
21
22
23
23
24
24
23
23
23
22
20
18
17
17
16
16

Dew Point (°C)

9
9
9
9
8
7
7
7
6
5
5
4
3
4
5
6
8
9
10
9
11
13
14
15

Relative Humidity (%)

77
80
81
76
65
56
49
42
36
32
29
26
24
25
27
28
32
40
46
49
58
73
83
90

Pressure (mb)

1029
1029
1029
1029
1030
1030
1030
1030
1029
1029
1028
1028
1027
1027
1027
1026
1026
1026
1026
1027
1027
1028
1028
1028

Ozone (du)

318
319
320
320
320
320
321
321
322
322
321
321
321
320
319
318
317
315
313
312
311
311
312
313

Saturday 4

Waning Gibbous 85%

23:28

09:25

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

Sun - Rise: 04:49, Set: 21:21, Transit: 13:05. Moon - Rise: 23:28, Set: 09:25. Civil Dark: 22:08 - 04:01. Nautical Dark: 23:21 - 02:50. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

7
5
3
0
6
12
16
20
24
29
23
18
12
9
5
0
53
48
46
40
33
28
29
30

Low Clouds (% Sky Obscured)

0
0
0
0
5
11
16
20
24
29
23
18
11
8
4
0
25
21
17
10
9
7
7
9

Medium Clouds (% Sky Obscured)

5
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
13
7
0
0
1
1
1
1

High 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

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

Chance of Frost

Temperature (°C)

15
15
15
16
16
18
20
22
24
25
26
27
28
29
28
28
27
24
22
20
19
18
17
17

Feels Like (°C)

15
14
14
15
15
17
20
21
23
24
25
25
26
26
26
26
25
24
24
23
22
21
20
16

Dew Point (°C)

15
14
14
13
11
11
9
8
7
6
6
5
6
6
7
7
10
9
10
11
10
10
9
10

Relative Humidity (%)

95
93
92
86
72
60
48
39
34
29
26
24
24
24
26
26
32
39
46
54
56
58
61
65

Pressure (mb)

1028
1028
1028
1029
1029
1029
1029
1029
1029
1028
1028
1027
1027
1026
1026
1025
1025
1026
1026
1027
1027
1027
1027
1026

Ozone (du)

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

Sunday 5

Waning Gibbous 77%

23:39

10:40

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

Sun - Rise: 04:49, Set: 21:21, Transit: 13:05. Moon - Rise: 23:39, Set: 10:40. Civil Dark: 22:08 - 04:02. Nautical Dark: 23:20 - 02:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

27
24
25
23
33
43
53
58
62
66
71
76
76
74
71
67
69
70
72
67
64
61
59
59

Low Clouds (% Sky Obscured)

11
12
11
11
21
30
39
38
38
37
28
18
9
8
6
9
5
2
0
3
6
9
6
3

Medium Clouds (% Sky Obscured)

1
1
1
2
1
0
0
1
1
1
1
1
1
1
0
0
1
1
2
1
1
0
3
6

High Clouds (% Sky Obscured)

1
1
1
1
1
1
0
5
10
14
28
50
71
65
63
62
61
59
55
51
48
45
46
45

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
4
6
8
8
6
2
4
3
0
1
1
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)

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

Chance of Frost

Temperature (°C)

16
16
17
17
18
19
20
22
23
24
26
26
27
27
27
26
26
24
22
19
18
17
15
14

Feels Like (°C)

16
17
16
16
16
18
19
19
20
20
20
25
24
24
24
25
25
23
22
22
21
20
19
12

Dew Point (°C)

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

Relative Humidity (%)

68
73
73
73
72
68
64
60
51
44
38
35
34
32
33
34
35
43
51
62
63
64
66
67

Pressure (mb)

1026
1026
1026
1026
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023

Ozone (du)

318
319
321
322
323
323
323
323
324
325
326
327
327
328
329
331
332
333
335
336
337
338
340
340

Monday 6

Waning Gibbous 67%

23:51

11:56

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 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK

Sun - Rise: 04:50, Set: 21:20, Transit: 13:05. Moon - Rise: 23:51, Set: 11:56. Civil Dark: 22:07 - 04:04. Nautical Dark: 23:18 - 02:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

59
72
86
98
99
99
100
98
94
92
83
72
64
59
52
47
43
37
34
30
31
32

Low Clouds (% Sky Obscured)

0
2
2
5
7
10
15
14
16
22
14
13
14
16
15
14
12
17
18
19
20
19

Medium Clouds (% Sky Obscured)

7
5
3
0
11
21
32
26
20
15
17
20
23
23
22
22
20
19
17
18
22
26

High Clouds (% Sky Obscured)

41
58
75
92
95
98
100
93
88
84
63
39
18
21
22
21
21
19
19
18
26
32

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
13
13
14
16
17
19
20
22
23
24
25
25
25
25
25
23
21
20
19
18

Feels Like (°C)

12
11
11
10
10
13
13
13
14
14
15
23
22
22
22
23
23
24
24
23
23
22

Dew Point (°C)

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

Relative Humidity (%)

70
73
69
65
62
54
45
39
36
32
29
28
26
25
25
26
26
31
37
44
48
51

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1020
1020
1020
1019
1019
1020
1020
1020
1020

Ozone (du)

341
342
342
343
343
343
344
345
345
345
345
347
349
352
355
358
360
357
354
350
351
352

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

Generated: 30/06/26 03:52:53. Forecast: 30/06/26 to 06/07/26. Timezone: UTC+1.00