Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

04:09

18:48

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 Good
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 OK
05 Bad

Sun - Rise: 07:14, Set: 19:41, Transit: 13:28. Moon - Rise: 04:09, Set: 18:48. Civil Dark: 20:15 - 06:41. Nautical Dark: 20:55 - 06:00. Astro Dark: 21:38 - 05:20

Total Clouds (% Sky Obscured)

100
99
99
97
92
94
98
92
93
96
82
87
84
88
71
46
16
35
37
45
48
40
35
46

Low Clouds (% Sky Obscured)

94
96
92
91
84
89
96
86
92
82
78
81
83
61
33
30
2
18
17
17
26
26
28
29

Medium Clouds (% Sky Obscured)

50
41
49
57
44
47
43
49
44
53
43
19
18
18
16
1
0
0
0
0
4
2
0
11

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
65
48
5
13
8
8
15
20
4
9
5

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
1
1
2
1
4
1
4
11
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
15
15
14
15
15
15
15
16
16
16
16
16
16
16
16
16
15
15
15
14
14
14
14

Relative Humidity (%)

88
87
89
86
86
83
81
78
75
75
70
70
74
76
82
89
88
89
90
92
93
93
95
95

Pressure (mb)

1018
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

260
261
263
262
260
260
259
259
259
259
258
257
256
256
256
256
256
255
255
255
254
254
255
255

Friday 19

Waning Crescent 6%

05:28

19:01

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

Sun - Rise: 07:16, Set: 19:39, Transit: 13:27. Moon - Rise: 05:28, Set: 19:01. Civil Dark: 20:12 - 06:42. Nautical Dark: 20:53 - 06:02. Astro Dark: 21:35 - 05:22

Total Clouds (% Sky Obscured)

64
65
62
32
27
71
22
42
92
84
97
36
41
25
27
31
32
21
11
3
38
36
97
77

Low Clouds (% Sky Obscured)

29
29
23
10
0
0
13
18
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
3
3
2
2
0
0
0
0
0
0
0
0
0
19
14
12
3
11
3
18
36
60
25

High Clouds (% Sky Obscured)

15
27
38
25
20
69
8
15
84
84
97
36
41
25
23
21
22
10
0
1
15
11
76
62

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

Chance of Frost

Temperature (°C)

14
14
14
16
18
20
22
23
24
25
25
25
24
22
20
19
18
18
17
17
16
16
16
16

Feels Like (°C)

14
12
13
15
18
19
21
23
23
23
23
24
24
22
19
17
16
16
16
16
16
16
15
15

Dew Point (°C)

13
13
13
13
14
14
15
15
14
14
14
15
16
15
12
11
10
11
11
12
12
12
12
12

Relative Humidity (%)

93
92
90
85
76
70
65
59
53
51
51
56
63
65
61
60
60
62
67
72
74
75
74
74

Pressure (mb)

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

Ozone (du)

255
257
256
256
256
256
256
255
254
254
254
254
254
254
253
253
253
252
252
252
253
253
253
253

Saturday 20

Waning Crescent 2%

No Rise

19:11

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: 07:18, Set: 19:36, Transit: 13:27. Moon - Rise: No Rise, Set: 19:11. Civil Dark: 20:10 - 06:44. Nautical Dark: 20:50 - 06:04. Astro Dark: 21:32 - 05:24

Total Clouds (% Sky Obscured)

90
98
100
98
79
69
85
89
100
100
100
100
100
100
100
100
100
100
100
100
98
100
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
0
30
47
83
88
87
57
55
58
59
59
62

Medium Clouds (% Sky Obscured)

50
40
47
80
44
29
49
81
94
98
100
64
59
71
53
87
75
62
36
56
73
59
74
42

High Clouds (% Sky Obscured)

90
98
100
67
51
35
54
61
100
99
100
100
100
100
100
100
100
92
100
100
92
98
97
98

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
Light Rain
Light Rain
Light Rain
None
Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
5
6
9
10
8
38
72
95
95
50
67
19
8
4
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.9
1.4
0
0.5
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
17
19
20
22
23
24
25
25
22
23
21
20
18
18
19
19
19
18
18
16
16

Dew Point (°C)

12
12
13
13
14
14
14
14
16
15
15
15
15
15
15
15
17
17
17
17
17
16
16
15

Relative Humidity (%)

77
78
78
74
68
61
55
50
54
48
48
54
60
61
65
76
89
93
93
96
96
96
98
96

Pressure (mb)

1016
1015
1015
1015
1014
1014
1013
1013
1013
1012
1012
1011
1010
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

254
252
251
250
249
248
248
248
248
247
247
247
247
248
248
248
248
249
250
252
254
256
256
255

Sunday 21

New Moon 0%

06:44

19:21

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: 07:19, Set: 19:34, Transit: 13:27. Moon - Rise: 06:44, Set: 19:21. Civil Dark: 20:08 - 06:46. Nautical Dark: 20:48 - 06:06. Astro Dark: 21:30 - 05:26

Total Clouds (% Sky Obscured)

94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
85
72
61
53

Low Clouds (% Sky Obscured)

55
46
40
34
31
38
47
61
61
56
55
27
14
15
13
27
21
24
29
30
37
49
51
49

Medium Clouds (% Sky Obscured)

38
71
80
90
100
100
100
100
97
94
91
94
98
100
55
88
74
59
63
14
12
55
56
53

High Clouds (% Sky Obscured)

81
100
82
61
42
58
77
100
100
100
100
100
100
100
100
100
100
100
100
97
67
33
5
10

ISS Passover

Visibility (miles)

9
9
9
3
3
3
2
4
9
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
63
95
95
95
95
66
76
85
30
18
9
4
4
2
0
0
0
0
0
3
13
38

Precipitation Amount (mm)

0
0
0.4
1.3
1.3
2.4
2
0
0.4
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
7
6
5
6
6
7
8
9
9
8
7
6
5
5
5
5
5
4
3
4
4
4

Chance of Frost

Temperature (°C)

15
15
15
15
15
16
16
16
16
17
17
17
17
16
15
14
14
13
12
11
11
11
11
11

Feels Like (°C)

15
15
14
15
16
16
16
16
16
16
16
16
16
15
14
14
13
12
11
11
11
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
95
95
96
98
96
96
96
93
90
87
89
92
92
92
93
95
95
93
91
90
90

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

254
256
257
257
258
259
258
260
261
261
262
263
263
265
265
267
268
269
271
272
272
273
273
273

Monday 22

Waxing Crescent 1%

07:58

19:30

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: 07:21, Set: 19:32, Transit: 13:26. Moon - Rise: 07:58, Set: 19:30. Civil Dark: 20:05 - 06:47. Nautical Dark: 20:45 - 06:07. Astro Dark: 21:27 - 05:28

Total Clouds (% Sky Obscured)

45
38
50
58
66
67
68
71
70
72
73
66
62
46
60
55
51
62
77
93
90
89
89
88

Low Clouds (% Sky Obscured)

43
38
50
58
66
67
68
69
47
71
71
66
62
46
36
22
7
19
37
56
60
64
69
69

Medium Clouds (% Sky Obscured)

45
38
50
58
66
67
68
71
54
57
29
3
1
0
11
11
10
21
30
43
33
27
18
24

High Clouds (% Sky Obscured)

15
10
15
10
15
10
10
5
5
0
4
0
0
0
0
0
0
1
3
5
9
15
22
38

ISS Passover

Visibility (miles)

8
6
3
4
3
4
7
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
84
44
23
11
24
13
12
22
18
18
13
3
3
2
0
0
1
0
5

Precipitation Amount (mm)

0.7
1.1
1.2
1
1.3
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
12
13
14
14
14
15
16
16
16
15
14
13
13
12
12
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
95
96
98
98
98
96
96
92
77
77
81
87
90
93
95
95
96
93
92
88
86
84
81

Pressure (mb)

1013
1013
1014
1014
1015
1015
1015
1015
1016
1016
1016
1015
1016
1016
1016
1017
1017
1018
1018
1017
1017
1017
1017
1017

Ozone (du)

273
273
274
274
275
276
279
281
282
284
285
287
288
289
288
288
288
288
291
294
297
299
300
301

Tuesday 23

Waxing Crescent 3%

09:11

19:40

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: 07:23, Set: 19:29, Transit: 13:26. Moon - Rise: 09:11, Set: 19:40. Civil Dark: 20:03 - 06:49. Nautical Dark: 20:43 - 06:09. Astro Dark: 21:24 - 05:30

Total Clouds (% Sky Obscured)

87
86
81
77
69
74
86
100
99
98
96
97
99
100
100
100
100
91
84
78
76
74
74
78

Low Clouds (% Sky Obscured)

72
69
74
77
69
74
86
90
87
85
85
71
56
41
54
69
85
78
71
63
56
49
41
43

Medium Clouds (% Sky Obscured)

30
35
34
37
35
24
12
0
2
9
28
38
57
64
82
91
100
91
81
68
64
59
55
54

High Clouds (% Sky Obscured)

43
62
53
40
33
45
66
95
94
96
96
97
99
100
99
99
98
91
84
78
76
74
74
78

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
7
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

6
2
7
7
4
9
11
11
18
22
24
31
39
47
68
83
94
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5
0.8
1
1
0.9
0.8
0.8
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
84
81
79
77
74
70
66
69
70
74
74
75
76
79
81
83
84
87
88
88
90
90

Pressure (mb)

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

Ozone (du)

304
306
308
308
308
308
308
308
307
308
309
310
310
310
310
311
313
314
317
320
323
325
326
328

Wednesday 24

Waxing Crescent 7%

10:25

19:51

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 OK
23 OK
00 OK
01 OK

Sun - Rise: 07:24, Set: 19:27, Transit: 13:26. Moon - Rise: 10:25, Set: 19:51. Civil Dark: 20:01 - 06:51. Nautical Dark: 20:40 - 06:11. Astro Dark: 21:22 - 05:31

Total Clouds (% Sky Obscured)

77
81
71
66
65
65
61
51
52
54
67
66
67
64
61
55
47
38
30
22

Low Clouds (% Sky Obscured)

49
51
53
54
64
62
61
44
40
36
31
30
32
33
30
25
17
17
19
22

Medium Clouds (% Sky Obscured)

52
46
41
36
35
30
31
36
45
49
58
62
58
59
51
39
26
17
8
0

High Clouds (% Sky Obscured)

77
81
71
66
65
55
50
45
45
45
55
64
67
64
47
23
1
1
0
0

ISS Passover

Visibility (miles)

9
9
9
9
8
7
7
7
7
8
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

Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

93
65
52
39
24
26
25
25
25
25
24
19
14
2
6
6
1
2
2
0

Precipitation Amount (mm)

0.7
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
7
7
7
6
6
6
6
6
6
6
6
7
7
7
7
7

Relative Humidity (%)

90
90
90
82
75
69
63
58
53
54
56
56
62
67
74
77
81
84
85
87

Pressure (mb)

1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1020
1020
1021
1021

Ozone (du)

327
326
325
323
321
320
318
317
315
313
312
310
308
306
305
303
302
300
300
299

Forecast for Lochem, Gemeente Lochem, Netherlands (52.16,6.41)

Generated: 18/09/25 05:32:03. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+2.00