Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 7

Waning Gibbous 62%

01:09

11:35

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
23 Bad
00 Bad

Sun - Rise: 04:43, Set: 21:16, Transit: 12:59. Moon - Rise: 01:09, Set: 11:35. Civil Dark: 22:03 - 03:56. Nautical Dark: 23:16 - 02:43. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

87
66
57
45
56
86
68
78
100
95
98
90
100
85
100
100
100
100
100
100
96
99
100
100

Low Clouds (% Sky Obscured)

53
40
37
44
51
78
42
61
60
58
85
75
100
59
100
57
53
35
40
41
39
53
47
60

Medium Clouds (% Sky Obscured)

2
0
0
3
0
11
10
9
33
95
72
20
65
16
82
84
88
100
100
100
96
98
99
100

High Clouds (% Sky Obscured)

2
2
2
2
21
8
39
53
100
83
47
46
81
56
69
100
60
100
100
100
82
89
100
100

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
1
2
0
1
1
2
9
21
12
8
7

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

Chance of Frost

Temperature (°C)

12
12
11
10
10
10
11
13
14
16
17
18
18
18
18
19
18
18
17
16
15
14
14
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
86
88
91
95
93
86
77
73
69
66
64
66
65
62
61
61
65
68
72
74
78
79
78

Pressure (mb)

1014
1015
1016
1016
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1017

Ozone (du)

380
378
377
376
375
374
370
369
367
366
366
364
361
358
358
360
360
360
359
358
361
362
361
360

Monday 8

Third Quarter 52%

01:21

12:52

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 Good
21 Good
22 OK
23 OK
00 OK

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

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
100
100
100
69
79
58
61
63
59
39
1
1
36
42
25

Low Clouds (% Sky Obscured)

63
65
86
92
70
77
64
91
90
71
46
60
51
66
51
54
60
43
0
0
0
36
34
25

Medium Clouds (% Sky Obscured)

100
100
99
97
90
76
38
90
97
100
100
100
69
63
9
18
16
23
33
1
0
0
9
0

High Clouds (% Sky Obscured)

100
100
100
50
50
92
50
45
44
100
100
100
35
40
41
2
0
0
0
0
0
0
5
2

ISS Passover

Visibility (miles)

9
7
9
9
9
9
9
9
9
5
9
9
9
8
4
4
5
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
Very Light Rain
None
None
None
None
Very Light Rain
None
Light Rain
Light Rain
Light Rain
None
None
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

40
48
28
16
2
4
47
55
85
95
82
30
57
75
83
64
49
49
32
1
0
0
0
0

Precipitation Amount (mm)

0
0.2
0
0
0
0
0.2
0
0.5
1.4
0.4
0
0
0.4
0.6
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
14
14
14
14
14
14
15
16
16
17
16
16
15
14
13
11
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
86
92
92
90
89
87
80
75
79
90
92
71
75
75
75
72
65
67
71
79
81
84
81

Pressure (mb)

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

Ozone (du)

359
359
363
369
367
367
366
368
372
378
382
386
388
393
402
407
410
412
411
408
407
409
410
410

Tuesday 9

Waning Crescent 41%

01:32

14:10

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

Sun - Rise: 04:42, Set: 21:17, Transit: 13:00. Moon - Rise: 01:32, Set: 14:10. Civil Dark: 22:05 - 03:55. Nautical Dark: 23:19 - 02:41. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

1
23
40
59
94
93
100
84
79
72
71
66
74
69
42
22
28
9
9
10
9
33
58
77

Low Clouds (% Sky Obscured)

0
23
40
39
44
76
72
64
43
49
34
45
38
29
30
22
13
9
7
4
1
9
14
20

Medium Clouds (% Sky Obscured)

0
0
0
21
61
73
100
28
73
72
71
23
74
69
21
3
10
0
0
0
0
17
37
60

High Clouds (% Sky Obscured)

1
0
3
3
85
50
42
16
40
35
0
0
0
0
0
0
0
0
3
6
9
33
58
77

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
4
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
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
1
5
39
37
29
25
38
53
56
53
31
8
3
2
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
9
9
9
9
9
11
13
13
14
15
16
17
18
19
18
17
15
12
11
10
8
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
6
6
5
4
5
6
8
8
9
10
10
10
10
11
12
11
12
12
10
9
8
7

Dew Point (°C)

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

Relative Humidity (%)

84
87
90
91
93
91
85
78
64
58
53
47
48
54
56
58
64
59
60
65
69
73
80
87

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015

Ozone (du)

410
407
405
406
406
407
408
408
408
409
410
407
402
401
403
405
406
404
403
402
402
401
400
398

Wednesday 10

Waning Crescent 30%

01:44

15:32

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
23 Bad
00 Bad

Sun - Rise: 04:42, Set: 21:18, Transit: 13:00. Moon - Rise: 01:44, Set: 15:32. Civil Dark: 22:06 - 03:54. Nautical Dark: 23:20 - 02:40. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

77
80
84
90
89
86
95
93
83
79
64
78
86
88
100
100
96
97
73
52
29
52
76
91

Low Clouds (% Sky Obscured)

27
34
40
40
41
39
46
50
57
61
62
67
67
62
68
63
42
39
31
24
27
39
46
49

Medium Clouds (% Sky Obscured)

69
74
72
67
61
53
56
67
39
31
27
28
34
70
55
53
45
42
29
19
29
52
76
87

High Clouds (% Sky Obscured)

77
80
84
67
36
8
10
14
2
7
12
18
34
47
94
84
58
42
33
22
13
1
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
5
5
8
9
9
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
2
26
39
50
59
72
81
76
70
68
57
46
34
29
23
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
0.4
0.3
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
93
93
93
88
81
71
63
56
50
48
46
52
55
64
69
55
66
71
73
77
78
82

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1015
1015
1015
1015
1015
1015

Ozone (du)

399
399
400
402
406
408
408
408
409
409
409
412
413
412
411
411
411
412
412
412
414
415
418
419

Thursday 11

Waning Crescent 20%

01:58

17:00

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 OK
21 OK
22 OK
23 OK
00 OK

Sun - Rise: 04:41, Set: 21:19, Transit: 13:00. Moon - Rise: 01:58, Set: 17:00. Civil Dark: 22:07 - 03:54. Nautical Dark: 23:21 - 02:39. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

93
96
100
100
99
100
97
91
84
82
75
68
65
62
61
59
58
58
44
29
14
16
21
29

Low Clouds (% Sky Obscured)

49
50
54
52
52
53
51
49
48
50
52
54
55
56
57
52
48
43
29
14
0
0
0
0

Medium Clouds (% Sky Obscured)

90
95
100
100
77
64
95
58
42
34
23
16
11
6
3
15
27
38
44
29
14
16
21
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
4
8
12
26
14
16
20
14

ISS Passover

Visibility (miles)

9
9
8
5
4
9
9
9
7
6
9
8
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
27
30
35
30
18
39
63
87
95
88
62
89
79
65
56
46
36
31
23
11
9
6
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.6
0.5
0.2
0.5
0.4
0.3
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
9
9
10
10
10
10
11
12
13
13
14
14
14
14
14
15
15
14
13
11
11
10

Feels Like (°C)

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

Dew Point (°C)

7
7
8
8
8
8
8
9
8
8
8
9
9
9
9
9
9
9
9
9
9
8
8
7

Relative Humidity (%)

84
84
88
90
90
90
90
88
79
75
72
75
68
69
70
71
71
69
69
74
76
80
81
81

Pressure (mb)

1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1016
1017
1018
1019
1019
1020

Ozone (du)

419
418
418
419
421
423
423
422
421
420
419
417
417
416
416
416
409
401
394
392
391
389
388
386

Friday 12

Waning Crescent 11%

02:15

18:32

01 OK
02 Good
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 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 04:41, Set: 21:19, Transit: 13:00. Moon - Rise: 02:15, Set: 18:32. Civil Dark: 22:07 - 03:53. Nautical Dark: 23:22 - 02:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

23
17
11
30
48
69
72
76
79
76
72
74
75
77
79
77
77
75
79
93
93
91
86
81

Low Clouds (% Sky Obscured)

0
0
0
14
28
47
39
27
19
25
30
37
45
50
56
71
77
75
79
84
76
71
64
60

Medium Clouds (% Sky Obscured)

23
17
11
27
42
56
45
27
10
10
6
14
29
46
46
54
61
65
64
63
42
26
17
10

High Clouds (% Sky Obscured)

15
17
11
20
18
16
9
4
0
4
7
10
17
24
32
25
17
12
16
20
22
17
12
7

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
4
4
1
10
11
8
10
8
5

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

Chance of Frost

Temperature (°C)

9
9
9
8
9
10
11
12
14
16
16
17
18
19
19
19
18
17
16
15
15
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
82
85
88
84
81
77
69
60
53
49
46
43
42
41
40
45
49
56
61
66
73
75
79

Pressure (mb)

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

Ozone (du)

385
382
378
375
373
370
368
366
365
363
361
359
356
356
355
354
353
352
350
350
350
350
350
351

Saturday 13

Waning Crescent 5%

02:40

20:05

Sun - Rise: 04:41, Set: 21:20, Transit: 13:01. Moon - Rise: 02:40, 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)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 07/06/26 01:21:52. Forecast: 07/06/26 to 13/06/26. Timezone: UTC+1.00