Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 1

Third Quarter 54%

22:27

13:44

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
01 Bad
02 Bad
03 Bad
04 OK
05 Bad

Sun - Rise: 06:56, Set: 16:32, Transit: 11:44. Moon - Rise: 22:27, Set: 13:44. Civil Dark: 17:08 - 06:20. Nautical Dark: 17:47 - 05:42. Astro Dark: 18:26 - 05:03

Total Clouds (% Sky Obscured)

88
79
70
66
60
58
84
91
87
67
71
73
61
75
100
100
100
97
87
75
69
55
26
44

Low Clouds (% Sky Obscured)

41
51
51
52
56
54
51
48
43
47
52
56
44
66
100
100
100
92
63
65
46
47
26
39

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
49
64
67
13
12
22
24
24
22
12
17
15
28
12
16
7
0
9

High Clouds (% Sky Obscured)

5
0
3
2
0
0
2
35
8
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 (%)

84
80
87
97
77
66
34
13
3
1
1
0
1
1
1
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
1
1
1
1
1
1
1
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
3
3
3
4
5
6
6
7
7
7
7
7
7
6
6
6
8
13
13
12
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
88
79
73
68
66
66
67
69
76
84
85
91
94
91
93
93
88
93
93
93
93
91

Pressure (mb)

1033
1033
1033
1034
1034
1033
1033
1033
1033
1033
1033
1033
1034
1034
1035
1035
1035
1035
1035
1035
1036
1036
1036
1036

Ozone (du)

268
269
270
271
271
273
274
277
281
284
289
290
286
285
285
286
285
285
286
289
291
291
292
293

Monday 2

Waning Crescent 46%

23:52

14:04

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

Sun - Rise: 06:57, Set: 16:30, Transit: 11:44. Moon - Rise: 23:52, Set: 14:04. Civil Dark: 17:06 - 06:22. Nautical Dark: 17:46 - 05:44. Astro Dark: 18:25 - 05:05

Total Clouds (% Sky Obscured)

47
38
31
40
46
83
78
51
48
41
44
58
82
77
69
48
70
44
45
84
46
80
83
78

Low Clouds (% Sky Obscured)

47
38
31
40
46
78
78
51
48
40
44
58
80
75
69
48
69
44
45
81
46
79
83
78

Medium Clouds (% Sky Obscured)

12
6
1
0
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
1
0
0
1
3
2
2
0
1
0
0
0
1
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
3
18
1
0
0
0
2
7
19
23
26
21
5
5
4
3
2
1
1
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
5
6
7
5
6
7
8
6
6
5
5
5
5
6
5
5
5
4
5
3
3

Dew Point (°C)

5
5
5
5
6
6
5
4
4
5
4
4
5
6
6
6
6
5
5
5
4
4
4
4

Relative Humidity (%)

91
91
88
84
78
76
69
59
61
65
67
72
78
82
87
88
88
84
87
87
81
81
78
79

Pressure (mb)

1036
1036
1037
1037
1037
1037
1037
1036
1036
1036
1036
1036
1036
1037
1036
1036
1036
1036
1035
1035
1035
1034
1034
1033

Ozone (du)

293
295
299
302
302
303
302
300
300
300
300
298
298
297
298
298
300
302
304
306
306
308
312
318

Tuesday 3

Waning Crescent 34%

01:14

14:19

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:59, Set: 16:29, Transit: 11:44. Moon - Rise: 01:14, Set: 14:19. Civil Dark: 17:04 - 06:24. Nautical Dark: 17:44 - 05:45. Astro Dark: 18:23 - 05:06

Total Clouds (% Sky Obscured)

76
78
46
67
48
92
73
68
68
46
66
57
54
55
79
83
79
88
88
81
77
64
57
51

Low Clouds (% Sky Obscured)

75
77
46
65
44
77
59
63
59
42
54
52
54
51
71
73
69
76
79
75
77
64
57
51

Medium Clouds (% Sky Obscured)

4
0
0
0
1
18
14
20
22
15
0
0
0
1
3
11
8
12
12
8
11
9
8
7

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
2
2
2
2
2
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 (%)

6
16
4
1
4
4
13
9
15
4
11
15
11
5
16
25
11
29
20
7
3
5
6
4

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
3
6
5
6
6
8
9
8
9
6
6
6
6
4
5
4
6
6
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

78
81
78
73
74
71
71
66
65
73
81
81
88
85
82
82
84
87
91
90
78
81
84
82

Pressure (mb)

1033
1033
1033
1033
1033
1033
1032
1031
1031
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031

Ozone (du)

317
314
313
312
310
308
306
306
307
306
306
307
308
309
309
308
307
307
307
308
308
309
310
310

Wednesday 4

Waning Crescent 24%

02:33

14:31

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:01, Set: 16:27, Transit: 11:44. Moon - Rise: 02:33, Set: 14:31. Civil Dark: 17:03 - 06:25. Nautical Dark: 17:43 - 05:47. Astro Dark: 18:22 - 05:08

Total Clouds (% Sky Obscured)

46
43
41
47
52
79
96
85
82
79
74
66
69
71
72
75
79
84
85
86
87
87
87
86

Low Clouds (% Sky Obscured)

46
43
41
47
52
79
93
85
81
79
74
66
69
71
72
75
79
84
85
86
87
87
87
86

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
34
30
30
30
30
30
25
30
4
0
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 (%)

7
7
5
8
7
6
6
9
9
20
20
18
7
20
21
20
10
23
19
19
6
19
17
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
5
6
6
6
6
5
5
5
4
4
3
3
3
3
3
3
3
3
3
2
3

Dew Point (°C)

5
5
5
4
4
4
4
5
4
4
5
5
4
3
3
3
3
4
4
3
3
4
3
3

Relative Humidity (%)

81
82
81
73
68
65
64
67
65
65
74
77
75
73
73
74
77
77
77
77
77
79
78
76

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029

Ozone (du)

310
309
309
308
307
308
307
306
306
306
305
305
306
306
306
306
304
304
303
304
303
303
302
302

Thursday 5

Waning Crescent 16%

03:51

14:43

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:03, Set: 16:25, Transit: 11:44. Moon - Rise: 03:51, Set: 14:43. Civil Dark: 17:01 - 06:27. Nautical Dark: 17:41 - 05:48. Astro Dark: 18:20 - 05:09

Total Clouds (% Sky Obscured)

89
91
93
93
94
94
89
83
80
82
84
88
90
89
88
91
95
99
98
97
96
96
97
97

Low Clouds (% Sky Obscured)

89
91
91
92
93
93
87
81
77
81
83
88
90
89
88
91
95
99
98
97
96
96
97
97

Medium Clouds (% Sky Obscured)

3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
6
10
15
10
5
1
5
10
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
2
1
0
0
0
0
0
0
0
0
0
1
3
5
3
2
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 (%)

7
18
5
5
16
6
7
13
11
6
5
5
10
10
5
13
14
14
13
14
14
15
13
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
3
4
4
4
5
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4

Dew Point (°C)

3
3
4
4
4
4
5
5
5
5
5
4
4
4
4
4
4
5
5
5
5
5
5
4

Relative Humidity (%)

76
77
78
78
75
73
73
73
74
74
74
75
75
77
78
79
81
82
84
82
82
82
82
81

Pressure (mb)

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

Ozone (du)

301
300
297
294
292
291
290
291
293
294
295
297
299
299
299
300
299
298
298
298
298
297
297
297

Friday 6

Waning Crescent 9%

05:08

14:55

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:05, Set: 16:23, Transit: 11:44. Moon - Rise: 05:08, Set: 14:55. Civil Dark: 16:59 - 06:29. Nautical Dark: 17:40 - 05:50. Astro Dark: 18:19 - 05:11

Total Clouds (% Sky Obscured)

98
99
99
99
99
99
100
100
100
96
94
93
92
89
85
85
85
85
85
85
76
68
69
70

Low Clouds (% Sky Obscured)

96
95
94
93
91
90
90
90
89
88
87
87
81
71
64
63
62
65
55
50
45
41
42
43

Medium Clouds (% Sky Obscured)

25
35
47
48
41
34
32
29
26
15
9
7
6
6
10
10
15
20
14
7
1
2
3
4

High Clouds (% Sky Obscured)

0
1
2
2
3
3
6
6
8
7
6
10
25
40
35
55
50
55
34
17
3
5
7
9

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
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

10
8
2
5
3
1
3
4
5
11
15
15
29
33
37
38
42
49
50
44
26
24
18
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
5
5
5
5
5
4
3
4
4
4
4
4
4
5
5
5
5
5
5
5
5

Relative Humidity (%)

81
79
79
79
78
77
76
72
67
63
68
73
78
79
82
85
87
88
91
91
91
91
93
93

Pressure (mb)

1026
1026
1027
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1023
1022

Ozone (du)

297
296
295
294
294
293
293
293
292
292
291
291
290
290
290
290
291
292
293
293
294
294
294
294

Saturday 7

Waning Crescent 4%

No Rise

15:08

Sun - Rise: 07:06, Set: 16:22, Transit: 11:44. Moon - Rise: No Rise, Set: 15:08. Civil Dark: 16:58 - 06:30. Nautical Dark: 17:38 - 05:52. Astro Dark: 18:17 - 05:12

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: 01/11/26 06:41:51. Forecast: 01/11/26 to 07/11/26. Timezone: UTC+0.00