Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 7

First Quarter 59%

12:15

02:42

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:45, Set: 16:51, Transit: 12:48. Moon - Rise: 12:15, Set: 02:42. Civil Dark: 17:29 - 08:06. Nautical Dark: 18:11 - 07:23. Astro Dark: 18:52 - 06:42

Total Clouds (% Sky Obscured)

97
92
87
100
64
60
72
67
63
54
45
35
55
89
100
100
59
88
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

63
57
64
67
64
60
72
67
63
54
45
35
55
44
37
40
37
21
32
43
40
32
18
0

Medium Clouds (% Sky Obscured)

22
20
64
89
55
55
0
0
0
1
0
0
0
0
0
0
3
88
83
99
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
56
100
100
49
37
100
100
100
99
100
100

ISS Passover

Visibility (miles)

4
9
9
9
4
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
36
44
28
17
14
6
12
1
0
0
0
0
0
0
0
0
0
0
0
0
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
16
15
14
14
14
13
12
12
12
12
11
10
10
9
9
9
9
9
9
9
8
7
6

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
3
3
3
3
3
3
2
2
2
2
1
1
3
4
4
4
4
4

Feels Like (°C)

-1
-2
-2
-2
-2
-2
-2
-1
-0
-1
-1
-1
-1
-1
-1
-3
-3
-3
-1
-0
0
1
1
1

Dew Point (°C)

3
2
1
0
1
1
0
-0
0
-1
-1
-1
-1
-1
-0
-0
-1
-0
0
0
0
-1
-0
1

Relative Humidity (%)

94
89
80
76
83
83
80
80
82
80
77
77
80
83
88
88
89
89
85
79
75
72
73
80

Pressure (mb)

998
999
999
999
1000
1001
1001
1001
1002
1002
1002
1002
1002
1003
1003
1003
1004
1003
1004
1004
1004
1003
1003
1002

Ozone (du)

356
354
356
360
358
359
353
358
363
366
360
357
343
331
340
348
360
356
346
337
336
338
340
339

Wednesday 8

Waxing Gibbous 70%

12:35

04:11

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:45, Set: 16:52, Transit: 12:48. Moon - Rise: 12:35, Set: 04:11. Civil Dark: 17:30 - 08:05. Nautical Dark: 18:13 - 07:23. Astro Dark: 18:53 - 06:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
94
87
85
88
96
97
100
100
100
100
100
41
40
42
87
73
64
68

Low Clouds (% Sky Obscured)

0
0
0
0
5
48
43
32
26
10
50
51
43
35
20
4
0
0
0
0
8
34
0
52

Medium Clouds (% Sky Obscured)

100
100
100
100
100
99
91
84
84
88
90
86
100
100
100
100
100
41
23
26
61
45
51
25

High Clouds (% Sky Obscured)

100
100
100
100
100
100
54
38
5
8
28
55
0
0
5
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
3
0
0
0
0
0
0
0
9
5
3
3
0
0
0
0
0
2
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
65
84
95
95
95
92
64
39
27
10
9
8
27
10
23
9
4
7
24
25
12
4
7

Precipitation Amount (mm)

0
0.3
0.4
0.6
0.8
1
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
5
7
7
6
6
7
7
5
5
5
5
5
5
5
6
6
7
9
10
13
11

Chance of Frost

Temperature (°C)

3
3
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
4
4
4
3

Feels Like (°C)

-1
-1
-2
-2
-3
-4
-5
-5
-5
-4
-4
-3
-3
-3
-3
-2
-2
-2
-2
-2
-1
-1
-1
-1

Dew Point (°C)

1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
1
1
1
1
1
1
1
-0
-1

Relative Humidity (%)

85
89
96
98
100
98
100
100
100
98
94
96
98
98
98
100
100
98
98
94
83
79
75
74

Pressure (mb)

1002
1001
1001
1000
999
998
998
998
998
998
999
999
999
1000
1001
1001
1002
1003
1004
1005
1005
1006
1007
1008

Ozone (du)

330
323
319
330
337
341
349
351
356
362
364
360
359
357
359
365
372
379
375
370
370
369
371
374

Thursday 9

Waxing Gibbous 80%

13:03

05:41

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

Sun - Rise: 08:44, Set: 16:53, Transit: 12:49. Moon - Rise: 13:03, Set: 05:41. Civil Dark: 17:31 - 08:05. Nautical Dark: 18:14 - 07:22. Astro Dark: 18:54 - 06:42

Total Clouds (% Sky Obscured)

46
31
36
38
27
32
41
98
69
72
40
59
61
69
60
61
52
42
33
89
73
56
43
42

Low Clouds (% Sky Obscured)

46
31
36
38
27
32
35
45
48
72
40
59
61
67
56
57
47
35
30
87
68
48
29
28

Medium Clouds (% Sky Obscured)

0
0
0
0
0
7
10
77
38
0
0
0
0
0
39
40
45
42
33
40
45
50
43
42

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
15
30
45
30
15
15
20
2
15
20
25

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
4
1
2

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
Snow
None
None

Precipitation Probability (%)

8
3
1
0
4
13
18
12
16
15
6
0
3
0
0
1
1
3
8
13
32
44
31
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
1
1
1
1
1
2
2
2
2
3
2
2
2
2
2
2
2
2
3
4
4
4
3

Feels Like (°C)

-1
-2
-2
-2
-2
-2
-3
-2
-3
-1
0
-0
-1
-1
-2
-3
-3
-2
-1
-1
1
1
2
1

Dew Point (°C)

-2
-2
-2
-2
-2
-2
-1
-1
-1
0
1
1
1
1
1
1
1
1
1
2
4
4
4
3

Relative Humidity (%)

76
80
80
81
81
83
81
81
83
86
88
91
91
94
94
93
93
91
93
94
96
98
100
98

Pressure (mb)

1009
1010
1011
1012
1012
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017
1017
1016
1016
1016
1016

Ozone (du)

363
355
350
348
344
342
344
335
324
319
315
312
310
309
307
307
304
301
303
305
308
316
316
315

Friday 10

Waxing Gibbous 89%

13:45

07:04

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 OK
15 OK
16 OK

Sun - Rise: 08:43, Set: 16:55, Transit: 12:49. Moon - Rise: 13:45, Set: 07:04. Civil Dark: 17:33 - 08:04. Nautical Dark: 18:15 - 07:22. Astro Dark: 18:55 - 06:41

Total Clouds (% Sky Obscured)

41
47
57
64
74
54
53
54
57
71
75
66
57
53
64
74
83
73
57
51
41
31
20
21

Low Clouds (% Sky Obscured)

26
28
44
56
63
54
53
54
57
68
71
62
53
45
55
65
75
69
57
51
41
31
20
21

Medium Clouds (% Sky Obscured)

41
47
55
55
55
4
0
0
0
0
0
0
0
0
1
2
3
2
1
0
0
0
0
0

High Clouds (% Sky Obscured)

34
47
7
50
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
2
2
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 (%)

26
7
7
10
0
1
2
1
4
4
2
2
2
0
1
2
0
1
1
0
2
5
0
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
5
5
4
4
3
3
3
4
4
4
4
4
3
3
3
4
3
3
3
2
2

Chance of Frost

Temperature (°C)

3
3
2
2
1
1
0
0
0
-0
0
1
1
1
1
1
1
1
1
2
3
3
3
3

Feels Like (°C)

0
-1
-1
-2
-2
-2
-1
-1
-1
-1
-3
-2
-2
-3
-3
-3
-2
-2
-2
1
3
3
3
2

Dew Point (°C)

3
2
2
1
1
-0
-1
-1
-1
-1
-1
0
0
-1
-1
-1
-1
-1
-0
0
0
0
1
1

Relative Humidity (%)

98
98
98
94
96
94
94
94
92
92
92
93
93
91
88
88
86
86
89
86
83
82
86
86

Pressure (mb)

1017
1017
1017
1018
1018
1019
1020
1020
1021
1021
1022
1023
1023
1024
1025
1025
1026
1027
1028
1028
1029
1029
1030
1030

Ozone (du)

314
314
315
315
315
315
313
312
312
318
323
325
328
328
328
329
329
327
322
320
321
323
330
334

Saturday 11

Waxing Gibbous 95%

14:45

08:13

17 OK
18 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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 OK
16 OK

Sun - Rise: 08:42, Set: 16:56, Transit: 12:49. Moon - Rise: 14:45, Set: 08:13. Civil Dark: 17:34 - 08:04. Nautical Dark: 18:16 - 07:21. Astro Dark: 18:57 - 06:41

Total Clouds (% Sky Obscured)

22
24
32
39
49
53
54
55
64
73
81
68
56
47
91
91
86
82
79
76
64
54
47
45

Low Clouds (% Sky Obscured)

22
24
32
39
49
53
54
55
64
73
81
67
54
41
91
91
86
82
79
66
47
33
21
26

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
4
8
12
8
5
2
4
11
14
14
11
9
5

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
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 (%)

2
0
0
0
0
0
1
0
1
3
4
7
8
8
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)

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

Chance of Frost

Temperature (°C)

2
1
0
0
-0
-0
-1
-1
-1
-1
-1
-1
-1
-0
0
-1
-1
-1
0
1
2
2
2
2

Feels Like (°C)

0
-0
-1
-1
-1
-1
-2
-1
-1
-1
-1
-1
-1
-1
0
-1
-1
-1
-1
-1
-1
1
2
1

Dew Point (°C)

-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-2
-2
-2
-2
-1
-1

Relative Humidity (%)

86
89
89
89
87
89
87
89
89
87
87
87
87
87
87
87
87
86
83
80
77
80
81
83

Pressure (mb)

1031
1032
1032
1033
1034
1035
1035
1036
1036
1037
1037
1038
1038
1038
1039
1039
1040
1040
1041
1041
1041
1041
1041
1041

Ozone (du)

338
341
343
341
341
336
335
332
329
326
325
332
334
338
342
337
331
326
323
321
318
315
313
310

Sunday 12

Waxing Gibbous 99%

15:59

09:03

17 OK
18 OK
19 Bad
20 OK
21 Bad
22 Bad
23 OK
00 Bad
01 Bad
02 Bad
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 OK

Sun - Rise: 08:42, Set: 16:58, Transit: 12:50. Moon - Rise: 15:59, Set: 09:03. Civil Dark: 17:35 - 08:03. Nautical Dark: 18:18 - 07:21. Astro Dark: 18:58 - 06:40

Total Clouds (% Sky Obscured)

44
42
39
38
41
39
37
50
64
79
87
70
53
37
46
58
69
73
69
69
63
60
57
48

Low Clouds (% Sky Obscured)

31
36
26
16
6
5
4
3
4
4
4
4
4
3
3
3
3
2
2
1
1
0
0
0

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
4
8
16
18
18
20
15
10
4
4
5
6
16
27
34
21

High Clouds (% Sky Obscured)

1
1
13
25
37
36
31
30
30
10
0
0
0
0
33
58
69
73
69
69
62
35
6
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
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
8
9
9
9
9
9
9
9
9
8
9
9
9
9
10
10
11
11
12
11
10
10

Chance of Frost

Temperature (°C)

1
0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
0
1
2
2
2
1

Feels Like (°C)

1
1
1
-2
-2
-3
-3
-3
-3
-5
-5
-5
-5
-5
-4
-4
-4
-4
-4
-4
-4
-1
-1
-1

Dew Point (°C)

-2
-2
-3
-3
-3
-3
-3
-3
-3
-3
-3
-2
-2
-3
-3
-3
-3
-4
-4
-4
-4
-4
-3
-2

Relative Humidity (%)

84
86
87
87
87
87
87
87
89
89
89
91
91
89
91
87
84
81
75
71
66
69
73
77

Pressure (mb)

1041
1042
1042
1042
1042
1042
1042
1042
1041
1041
1041
1040
1040
1040
1039
1039
1039
1039
1038
1038
1038
1037
1036
1036

Ozone (du)

309
307
306
305
305
304
305
306
307
304
302
300
295
291
286
285
283
281
282
283
283
284
284
284

Monday 13

Full Moon 100%

No Rise

09:36

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

Sun - Rise: 08:41, Set: 16:59, Transit: 12:50. Moon - Rise: No Rise, Set: 09:36. Civil Dark: 17:37 - 08:02. Nautical Dark: 18:19 - 07:20. Astro Dark: 18:59 - 06:40

Total Clouds (% Sky Obscured)

39
25
20
15
8
27
46
66
77
88
100
99
98
97
85
75
64
74
82
89

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
25
53
84
72
60
49
60
76
89

Medium Clouds (% Sky Obscured)

9
0
0
0
0
9
21
34
44
51
58
50
43
35
38
43
51
48
43
37

High Clouds (% Sky Obscured)

9
15
16
15
8
21
37
45
64
77
96
87
79
70
70
60
40
30
22
15

ISS Passover

Visibility (miles)

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

Precipitation Type

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
5
7
11
14
12
0
4
8
6

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

1
0
-0
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-0
0
0
1
2

Feels Like (°C)

-1
-1
-1
-4
-4
-4
-4
-4
-4
-4
-4
-5
-5
-5
-5
-5
-5
-5
-5
-5

Dew Point (°C)

-3
-4
-4
-4
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-4
-4

Relative Humidity (%)

75
75
75
74
74
72
72
72
72
74
72
72
72
71
71
71
70
69
67
65

Pressure (mb)

1035
1035
1034
1034
1033
1033
1032
1032
1031
1030
1030
1029
1028
1028
1028
1027
1027
1027
1027
1026

Ozone (du)

285
286
286
289
291
294
295
297
299
299
299
298
296
294
292
286
280
273
273
274

Forecast for Sterrenburg, Gemeente Dordrecht, Netherlands (51.78,4.67)

Generated: 07/01/25 17:48:07. Forecast: 07/01/25 to 13/01/25. Timezone: UTC+1.00