Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 3

Waning Gibbous 91%

23:16

08:09

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

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)

5
21
32
53
100
100
95
92
100
97
82
89
84
66
62
62
59
55
45
37
18
25
27
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
5
24
23
21
21
14
12
14
16
10
16
0
0
4
0
0
12
0

Medium Clouds (% Sky Obscured)

2
2
0
6
12
7
20
47
34
51
43
47
40
37
44
49
41
49
39
31
16
24
19
0

High Clouds (% Sky Obscured)

5
21
32
53
99
100
90
87
100
77
63
50
50
22
5
8
7
2
3
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)

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

Chance of Frost

Temperature (°C)

12
12
11
12
13
16
17
19
20
21
23
24
25
25
25
24
24
23
22
21
19
18
17
16

Feels Like (°C)

11
10
11
11
12
13
15
17
18
19
20
21
22
22
22
22
22
21
20
19
18
17
17
16

Dew Point (°C)

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

Relative Humidity (%)

83
84
87
83
72
64
57
51
45
43
40
39
36
34
33
34
40
44
47
52
61
69
74
78

Pressure (mb)

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

Ozone (du)

328
326
324
324
322
323
324
324
325
327
327
330
330
331
332
332
331
334
337
337
335
335
336
335

Saturday 4

Waning Gibbous 85%

23:28

09:25

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

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)

0
9
15
22
18
18
37
42
50
40
31
65
72
69
44
69
33
59
99
13
17
55
61
70

Low Clouds (% Sky Obscured)

0
4
14
22
18
17
37
42
50
40
21
47
56
51
40
33
33
24
17
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
3
0
0
0
0
0
0
0
0
0
0
0
18
0
0
0
0
0
0
0
0
1
44

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
24
38
31
16
5
48
2
46
99
11
16
55
52
66

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

Chance of Frost

Temperature (°C)

15
15
14
15
16
18
20
22
23
25
26
27
27
27
27
27
26
25
23
21
20
18
18
17

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
13
14
15
14
13
13
13
14
14
13
13
13
15
15
15
15
15
14
14
14

Relative Humidity (%)

83
86
89
86
81
76
69
60
52
47
45
44
43
42
42
43
49
54
61
68
72
77
81
85

Pressure (mb)

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

Ozone (du)

333
334
336
333
332
333
334
334
333
333
332
330
330
329
331
330
329
329
331
334
337
336
337
337

Sunday 5

Waning Gibbous 77%

23:39

10:40

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

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)

99
92
53
32
49
42
69
87
88
73
77
93
100
81
65
46
55
26
23
60
46
81
72
45

Low Clouds (% Sky Obscured)

0
0
11
18
26
40
57
79
80
52
54
56
49
41
33
16
2
10
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

25
3
14
5
34
4
3
0
0
0
0
0
0
0
2
0
2
2
0
1
5
25
0
0

High Clouds (% Sky Obscured)

97
92
32
11
10
2
34
34
21
51
55
61
62
23
4
43
55
17
20
55
35
81
72
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
0
0
0
2
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)

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

Chance of Frost

Temperature (°C)

16
16
16
16
17
18
20
21
23
24
25
26
27
27
28
28
27
26
24
22
21
19
18
17

Feels Like (°C)

15
15
15
15
16
17
19
19
21
22
23
24
26
26
27
27
25
23
22
21
18
18
16
16

Dew Point (°C)

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

Relative Humidity (%)

86
87
90
87
79
71
64
58
53
50
48
48
42
39
40
42
38
43
48
52
58
61
64
70

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022
1021
1021
1021
1021
1022
1022
1022
1022
1021

Ozone (du)

338
338
337
335
333
333
332
332
332
331
330
329
327
325
323
323
323
323
322
320
320
320
321
322

Monday 6

Waning Gibbous 67%

23:51

11:56

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

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)

96
96
43
40
40
49
100
96
93
82
82
85
78
74
34
38
52
58
100
99
98
97
86
76

Low Clouds (% Sky Obscured)

0
0
0
0
9
18
27
29
28
27
28
26
25
24
23
21
16
11
6
10
15
18
17
18

Medium Clouds (% Sky Obscured)

0
12
22
30
30
29
32
79
74
55
59
3
8
64
11
17
33
50
65
82
76
68
59
27

High Clouds (% Sky Obscured)

93
95
43
40
40
49
100
83
34
20
17
50
46
47
8
8
30
48
100
97
94
91
64
40

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
14
14
17
18
19
20
19
21
21
22
23
23
24
23
24
23
23
21
19
18
18
17
17

Dew Point (°C)

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

Relative Humidity (%)

74
77
77
74
64
53
49
43
35
27
25
27
27
30
30
29
31
35
38
43
51
53
57
64

Pressure (mb)

1021
1021
1020
1021
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019

Ozone (du)

323
323
324
326
326
327
324
328
339
342
340
339
339
344
349
347
343
341
338
337
338
341
336
332

Tuesday 7

Third Quarter 57%

00:03

13:15

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
23 Bad
00 OK
01 OK
02 OK

Sun - Rise: 04:51, Set: 21:19, Transit: 13:05. Moon - Rise: 00:03, Set: 13:15. Civil Dark: 22:06 - 04:05. Nautical Dark: 23:17 - 02:56. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

65
72
80
90
93
97
97
99
100
100
100
99
98
90
90
86
95
92
89
72
57
41
36
33

Low Clouds (% Sky Obscured)

18
27
37
67
72
63
86
90
92
89
80
77
89
76
77
72
81
66
49
32
19
6
6
8

Medium Clouds (% Sky Obscured)

26
26
26
28
32
32
29
27
26
20
23
29
30
31
34
37
12
7
1
1
0
0
1
2

High Clouds (% Sky Obscured)

20
20
25
24
60
85
75
72
94
89
96
97
74
38
48
21
46
42
36
32
28
24
12
8

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
0
0
0
0
1
1
0
1
0
0
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
72
74
74
71
69
64
61
59
58
55
51
49
48
45
46
48
53
61
68
73
78
85
87

Pressure (mb)

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

Ozone (du)

330
327
324
322
322
322
320
319
319
319
318
318
317
317
315
316
316
315
314
312
312
312
312
312

Wednesday 8

Waning Crescent 45%

00:18

14:37

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

Sun - Rise: 04:52, Set: 21:19, Transit: 13:06. Moon - Rise: 00:18, Set: 14:37. Civil Dark: 22:05 - 04:06. Nautical Dark: 23:15 - 02:57. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

28
28
31
31
35
42
47
55
63
67
69
67
61
51
41
31
33
36
38
46
50
55
53
49

Low Clouds (% Sky Obscured)

9
12
14
16
17
15
13
12
14
12
11
9
8
7
7
10
6
4
2
1
1
0
4
7

Medium Clouds (% Sky Obscured)

3
2
1
0
2
3
5
9
13
17
19
19
18
15
12
9
6
4
0
1
2
4
4
4

High Clouds (% Sky Obscured)

2
2
3
3
3
5
5
5
6
5
4
3
2
4
6
7
17
30
38
46
50
55
53
37

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 (%)

4
0
3
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

16
16
16
17
17
19
21
22
23
25
26
27
27
28
27
27
26
24
22
20
19
18
17
17

Feels Like (°C)

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

Dew Point (°C)

15
15
14
14
13
11
10
7
6
6
5
5
5
6
7
9
10
12
14
16
15
15
14
15

Relative Humidity (%)

90
95
87
83
78
61
49
38
33
29
26
25
24
24
28
31
36
47
59
76
78
82
83
87

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021

Ozone (du)

311
310
310
310
309
309
309
309
309
310
310
311
311
312
312
313
313
313
313
312
313
313
313
314

Thursday 9

Waning Crescent 34%

00:38

16:05

03 Bad
04 Bad
05 Bad
06 OK
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 OK

Sun - Rise: 04:53, Set: 21:18, Transit: 13:06. Moon - Rise: 00:38, Set: 16:05. Civil Dark: 22:04 - 04:07. Nautical Dark: 23:14 - 02:59. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

50
47
44
41
53
66
78
78
78
79
78
77
77
70
58
46
46
49
54
51
49
48

Low Clouds (% Sky Obscured)

11
13
10
11
12
13
17
14
15
18
9
5
2
3
4
6
6
8
10
8
4
0

Medium Clouds (% Sky Obscured)

4
9
13
16
21
27
33
30
28
25
42
58
76
62
48
34
31
31
28
25
24
23

High Clouds (% Sky Obscured)

22
18
13
9
19
26
34
32
30
27
14
9
0
0
0
0
10
21
31
34
35
36

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)

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

Chance of Frost

Temperature (°C)

16
16
16
17
18
20
22
23
25
26
27
27
28
28
27
27
26
24
22
19
18
18

Feels Like (°C)

15
16
16
16
16
19
19
19
20
21
22
27
27
26
27
27
28
23
23
22
21
21

Dew Point (°C)

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

Relative Humidity (%)

90
92
89
85
81
69
59
50
47
44
41
40
40
40
44
47
52
59
68
80
83
88

Pressure (mb)

1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1017
1017
1017
1018
1018
1018
1018

Ozone (du)

315
316
316
317
317
317
317
318
321
323
326
326
327
327
328
328
328
329
329
330
331
332

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

Generated: 03/07/26 03:51:30. Forecast: 03/07/26 to 09/07/26. Timezone: UTC+1.00